Magento2: Magento_ReCaptcha... - Unable to serialize value. Error: Malformed UTF-8 characters, possibly incorrectly encoded

[in-session]

Preconditions (*)

1. Update Magento 2.3.5-p2 to magento 2.4.0 or 2.4.1
2. PHP 7.4

Actual result (*)

1 exception(s):
Exception #0 (InvalidArgumentException): Unable to serialize value. Error: Malformed UTF-8 characters, possibly incorrectly encoded

Exception #0 (InvalidArgumentException): Unable to serialize value. Error: Malformed UTF-8 characters, possibly incorrectly encoded
<pre>#1 Magento\ReCaptchaCustomer\Plugin\Block\Account\InjectRecaptchaInAuthenticationPopup->afterGetJsLayout(&Magento\Customer\Block\Account\AuthenticationPopup\Interceptor#000000006bbcd89b000000002441b0fa#, '{"components":{"...') called at [vendor/magento/framework/Interception/Interceptor.php:146]
#2 Magento\Customer\Block\Account\AuthenticationPopup\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/framework/Interception/Interceptor.php:153]
#3 Magento\Customer\Block\Account\AuthenticationPopup\Interceptor->___callPlugins('getJsLayout', array(), array(array('inject_recaptcha...'))) called at [generated/code/Magento/Customer/Block/Account/AuthenticationPopup/Interceptor.php:26]
#4 Magento\Customer\Block\Account\AuthenticationPopup\Interceptor->getJsLayout() called at [vendor/magento/module-customer/view/frontend/templates/account/authentication-popup.phtml:17]
#5 include('/var/www/share/m...') called at [vendor/magento/framework/View/TemplateEngine/Php.php:71]
#6 Magento\Framework\View\TemplateEngine\Php->render(&Magento\Customer\Block\Account\AuthenticationPopup\Interceptor#000000006bbcd89b000000002441b0fa#, '/var/www/share/m...', array('csp' => &Magento\Csp\Api\InlineUtilInterface\Proxy#000000006bbcaa82000000002441b0fa#, 'secureRenderer' => &Magento\Framework\View\Helper\SecureHtmlRenderer\Proxy#000000006bbcd370000000002441b0fa#, 'escaper' => &Magento\Framework\Escaper\Interceptor#000000006bbc91a8000000002441b0fa#)) called at [vendor/magento/framework/Interception/Interceptor.php:58]
#7 Magento\Framework\View\TemplateEngine\Php\Interceptor->___callParent('render', array(&Magento\Customer\Block\Account\AuthenticationPopup\Interceptor#000000006bbcd89b000000002441b0fa#, '/var/www/share/m...', array('escaper' => &Magento\Framework\Escaper\Interceptor#000000006bbc91a8000000002441b0fa#))) called at [vendor/magento/framework/Interception/Interceptor.php:138]
#8 Magento\Framework\View\TemplateEngine\Php\Interceptor->Magento\Framework\Interception\{closure}(&Magento\Customer\Block\Account\AuthenticationPopup\Interceptor#000000006bbcd89b000000002441b0fa#, '/var/www/share/m...', array()) called at [app/code/Amasty/Fpc/Plugin/Holepunch/TemplateRenderer.php:58]
#9 Amasty\Fpc\Plugin\Holepunch\TemplateRenderer->aroundRender(&Magento\Framework\View\TemplateEngine\Php\Interceptor#000000006bbca9ae000000002441b0fa#, &Closure#000000006bbcd54b000000002441b0fa#, &Magento\Customer\Block\Account\AuthenticationPopup\Interceptor#000000006bbcd89b000000002441b0fa#, '/var/www/share/m...', array()) called at [vendor/magento/framework/Interception/Interceptor.php:135]
#10 Magento\Framework\View\TemplateEngine\Php\Interceptor->Magento\Framework\Interception\{closure}(&Magento\Customer\Block\Account\AuthenticationPopup\Interceptor#000000006bbcd89b000000002441b0fa#, '/var/www/share/m...', array()) called at [vendor/magento/framework/Interception/Interceptor.php:153]
#11 Magento\Framework\View\TemplateEngine\Php\Interceptor->___callPlugins('render', array(&Magento\Customer\Block\Account\AuthenticationPopup\Interceptor#000000006bbcd89b000000002441b0fa#, '/var/www/share/m...', array()), array(array('Amasty_Base::Add...'))) called at [generated/code/Magento/Framework/View/TemplateEngine/Php/Interceptor.php:26]
#12 Magento\Framework\View\TemplateEngine\Php\Interceptor->render(&Magento\Customer\Block\Account\AuthenticationPopup\Interceptor#000000006bbcd89b000000002441b0fa#, '/var/www/share/m...', array()) called at [vendor/magento/framework/View/Element/Template.php:273]
#13 Magento\Framework\View\Element\Template->fetchView('/var/www/share/m...') called at [generated/code/Magento/Customer/Block/Account/AuthenticationPopup/Interceptor.php:180]
#14 Magento\Customer\Block\Account\AuthenticationPopup\Interceptor->fetchView('/var/www/share/m...') called at [vendor/magento/framework/View/Element/Template.php:303]
#15 Magento\Framework\View\Element\Template->_toHtml() called at [vendor/magento/framework/View/Element/AbstractBlock.php:1111]
#16 Magento\Framework\View\Element\AbstractBlock->Magento\Framework\View\Element\{closure}() called at [vendor/magento/framework/View/Element/AbstractBlock.php:1115]
#17 Magento\Framework\View\Element\AbstractBlock->_loadCache() called at [vendor/magento/framework/View/Element/AbstractBlock.php:675]
#18 Magento\Framework\View\Element\AbstractBlock->toHtml() called at [vendor/magento/framework/Interception/Interceptor.php:58]
#19 Magento\Customer\Block\Account\AuthenticationPopup\Interceptor->___callParent('toHtml', array()) called at [vendor/magento/framework/Interception/Interceptor.php:138]
#20 Magento\Customer\Block\Account\AuthenticationPopup\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/framework/Interception/Interceptor.php:153]
#21 Magento\Customer\Block\Account\AuthenticationPopup\Interceptor->___callPlugins('toHtml', array(), array(array('inject_plugin'))) called at [generated/code/Magento/Customer/Block/Account/AuthenticationPopup/Interceptor.php:481]
#22 Magento\Customer\Block\Account\AuthenticationPopup\Interceptor->toHtml() called at [vendor/magento/framework/View/Layout.php:566]
#23 Magento\Framework\View\Layout->_renderBlock('authentication-p...') called at [vendor/magento/framework/View/Layout.php:542]
#24 Magento\Framework\View\Layout->renderNonCachedElement('authentication-p...') called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:206]
#25 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement('authentication-p...') called at [vendor/magento/framework/View/Layout.php:497]
#26 Magento\Framework\View\Layout->renderElement('authentication-p...', false) called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:193]
#27 Magento\Framework\View\Layout\Interceptor->renderElement('authentication-p...', false) called at [vendor/magento/framework/View/Layout.php:594]
#28 Magento\Framework\View\Layout->_renderContainer('content', false) called at [vendor/magento/framework/View/Layout.php:544]
#29 Magento\Framework\View\Layout->renderNonCachedElement('content') called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:206]
#30 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement('content') called at [vendor/magento/framework/View/Layout.php:497]
#31 Magento\Framework\View\Layout->renderElement('content', false) called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:193]
#32 Magento\Framework\View\Layout\Interceptor->renderElement('content', false) called at [vendor/magento/framework/View/Layout.php:594]
#33 Magento\Framework\View\Layout->_renderContainer('main', false) called at [vendor/magento/framework/View/Layout.php:544]
#34 Magento\Framework\View\Layout->renderNonCachedElement('main') called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:206]
#35 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement('main') called at [vendor/magento/framework/View/Layout.php:497]
#36 Magento\Framework\View\Layout->renderElement('main', false) called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:193]
#37 Magento\Framework\View\Layout\Interceptor->renderElement('main', false) called at [vendor/magento/framework/View/Layout.php:594]
#38 Magento\Framework\View\Layout->_renderContainer('columns', false) called at [vendor/magento/framework/View/Layout.php:544]
#39 Magento\Framework\View\Layout->renderNonCachedElement('columns') called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:206]
#40 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement('columns') called at [vendor/magento/framework/View/Layout.php:497]
#41 Magento\Framework\View\Layout->renderElement('columns', false) called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:193]
#42 Magento\Framework\View\Layout\Interceptor->renderElement('columns', false) called at [vendor/magento/framework/View/Layout.php:594]
#43 Magento\Framework\View\Layout->_renderContainer('main.content', false) called at [vendor/magento/framework/View/Layout.php:544]
#44 Magento\Framework\View\Layout->renderNonCachedElement('main.content') called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:206]
#45 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement('main.content') called at [vendor/magento/framework/View/Layout.php:497]
#46 Magento\Framework\View\Layout->renderElement('main.content', false) called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:193]
#47 Magento\Framework\View\Layout\Interceptor->renderElement('main.content', false) called at [vendor/magento/framework/View/Layout.php:594]
#48 Magento\Framework\View\Layout->_renderContainer('page.wrapper', false) called at [vendor/magento/framework/View/Layout.php:544]
#49 Magento\Framework\View\Layout->renderNonCachedElement('page.wrapper') called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:206]
#50 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement('page.wrapper') called at [vendor/magento/framework/View/Layout.php:497]
#51 Magento\Framework\View\Layout->renderElement('page.wrapper', false) called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:193]
#52 Magento\Framework\View\Layout\Interceptor->renderElement('page.wrapper', false) called at [vendor/magento/framework/View/Layout.php:594]
#53 Magento\Framework\View\Layout->_renderContainer('page.wrapper.inn...', false) called at [vendor/magento/framework/View/Layout.php:544]
#54 Magento\Framework\View\Layout->renderNonCachedElement('page.wrapper.inn...') called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:206]
#55 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement('page.wrapper.inn...') called at [vendor/magento/framework/View/Layout.php:497]
#56 Magento\Framework\View\Layout->renderElement('page.wrapper.inn...', false) called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:193]
#57 Magento\Framework\View\Layout\Interceptor->renderElement('page.wrapper.inn...', false) called at [vendor/magento/framework/View/Layout.php:594]
#58 Magento\Framework\View\Layout->_renderContainer('wrapper', false) called at [vendor/magento/framework/View/Layout.php:544]
#59 Magento\Framework\View\Layout->renderNonCachedElement('wrapper') called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:206]
#60 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement('wrapper') called at [vendor/magento/framework/View/Layout.php:497]
#61 Magento\Framework\View\Layout->renderElement('wrapper', true) called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:193]
#62 Magento\Framework\View\Layout\Interceptor->renderElement('wrapper') called at [vendor/magento/framework/View/Layout.php:963]
#63 Magento\Framework\View\Layout->getOutput() called at [vendor/magento/framework/Interception/Interceptor.php:58]
#64 Magento\Framework\View\Layout\Interceptor->___callParent('getOutput', array()) called at [vendor/magento/framework/Interception/Interceptor.php:138]
#65 Magento\Framework\View\Layout\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/framework/Interception/Interceptor.php:153]
#66 Magento\Framework\View\Layout\Interceptor->___callPlugins('getOutput', array(), array(array('layout-model-cac...'))) called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:494]
#67 Magento\Framework\View\Layout\Interceptor->getOutput() called at [vendor/magento/framework/View/Result/Page.php:258]
#68 Magento\Framework\View\Result\Page->render(&Magento\Framework\App\Response\Http\Interceptor#000000006bbc979d000000002441b0fa#) called at [vendor/magento/framework/View/Result/Layout.php:171]
#69 Magento\Framework\View\Result\Layout->renderResult(&Magento\Framework\App\Response\Http\Interceptor#000000006bbc979d000000002441b0fa#) called at [vendor/magento/framework/Interception/Interceptor.php:58]
#70 Magento\Framework\View\Result\Page\Interceptor->___callParent('renderResult', array(&Magento\Framework\App\Response\Http\Interceptor#000000006bbc979d000000002441b0fa#)) called at [vendor/magento/framework/Interception/Interceptor.php:138]
#71 Magento\Framework\View\Result\Page\Interceptor->Magento\Framework\Interception\{closure}(&Magento\Framework\App\Response\Http\Interceptor#000000006bbc979d000000002441b0fa#) called at [app/code/Amasty/GdprCookie/Plugin/ProcessPageResult.php:57]
#72 Amasty\GdprCookie\Plugin\ProcessPageResult->aroundRenderResult(&Magento\Framework\View\Result\Page\Interceptor#000000006bbc8688000000002441b0fa#, &Closure#000000006bbc931c000000002441b0fa#, &Magento\Framework\App\Response\Http\Interceptor#000000006bbc979d000000002441b0fa#) called at [vendor/magento/framework/Interception/Interceptor.php:135]
#73 Magento\Framework\View\Result\Page\Interceptor->Magento\Framework\Interception\{closure}(&Magento\Framework\App\Response\Http\Interceptor#000000006bbc979d000000002441b0fa#) called at [app/code/Amasty/PageSpeedOptimizer/Plugin/ProcessPageResult.php:40]
#74 Amasty\PageSpeedOptimizer\Plugin\ProcessPageResult->aroundRenderResult(&Magento\Framework\View\Result\Page\Interceptor#000000006bbc8688000000002441b0fa#, &Closure#000000006bbc931c000000002441b0fa#, &Magento\Framework\App\Response\Http\Interceptor#000000006bbc979d000000002441b0fa#) called at [vendor/magento/framework/Interception/Interceptor.php:135]
#75 Magento\Framework\View\Result\Page\Interceptor->Magento\Framework\Interception\{closure}(&Magento\Framework\App\Response\Http\Interceptor#000000006bbc979d000000002441b0fa#) called at [app/code/Magezon/Core/Plugin/View/Result/Layout.php:24]
#76 Magezon\Core\Plugin\View\Result\Layout->aroundRenderResult(&Magento\Framework\View\Result\Page\Interceptor#000000006bbc8688000000002441b0fa#, &Closure#000000006bbc931c000000002441b0fa#, &Magento\Framework\App\Response\Http\Interceptor#000000006bbc979d000000002441b0fa#) called at [vendor/magento/framework/Interception/Interceptor.php:135]
#77 Magento\Framework\View\Result\Page\Interceptor->Magento\Framework\Interception\{closure}(&Magento\Framework\App\Response\Http\Interceptor#000000006bbc979d000000002441b0fa#) called at [vendor/magento/framework/Interception/Interceptor.php:153]
#78 Magento\Framework\View\Result\Page\Interceptor->___callPlugins('renderResult', array(&Magento\Framework\App\Response\Http\Interceptor#000000006bbc979d000000002441b0fa#), NULL) called at [generated/code/Magento/Framework/View/Result/Page/Interceptor.php:130]
#79 Magento\Framework\View\Result\Page\Interceptor->renderResult(&Magento\Framework\App\Response\Http\Interceptor#000000006bbc979d000000002441b0fa#) called at [vendor/magento/framework/App/Http.php:120]
#80 Magento\Framework\App\Http->launch() called at [generated/code/Magento/Framework/App/Http/Interceptor.php:24]
#81 Magento\Framework\App\Http\Interceptor->launch() called at [vendor/magento/framework/App/Bootstrap.php:263]
#82 Magento\Framework\App\Bootstrap->run(&Magento\Framework\App\Http\Interceptor#000000006bbc9630000000002441b0fa#) called at [index.php:39]
</pre>

Temporary fix:

php bin/magento module:disable Magento_ReCaptchaAdminUi Magento_ReCaptchaCheckout Magento_ReCaptchaContact Magento_ReCaptchaCustomer Magento_ReCaptchaFrontendUi Magento_ReCaptchaMigration Magento_ReCaptchaNewsletter Magento_ReCaptchaPaypal Magento_ReCaptchaReview Magento_ReCaptchaSendFriend Magento_ReCaptchaUi Magento_ReCaptchaUser Magento_ReCaptchaValidation Magento_ReCaptchaValidationApi Magento_ReCaptchaVersion2Checkbox Magento_ReCaptchaVersion2Invisible Magento_ReCaptchaVersion3Invisible

Attempts at troubleshooting:
Vendor folder was completely removed and reloaded via composer:update - no change

Related post:
https://magento.stackexchange.com/questions/324266/unable-to-serialize-value-error-malformed-utf-8-characters-possibly-incorrect
https://community.magento.com/t5/Magento-2-x-Version-Upgrades/Exception-0-InvalidArgumentException-Unable-to-serialize-value/td-p/459315

Additional info from Engcom

Steps to reproduce:

1. Install Magento 2.3.5-p2
2. Configure and enable Google reCAPTCHA v3 (this was our case) for Storefront and for Backend under _Stores - Configuration - Security_
3. Add a Language Code, _fr_ for example
   
4. Upgrade Magento to 2.4.1 version. You may use the Guide on How to Upgrade Magento
5. After the instance is upgraded, set Magento into Developer Mode php bin/magento dep:mo:set developer
6. Go to _Checkout_ page

Actual Result

1 exception(s):
Exception #0 (InvalidArgumentException): Unable to serialize value. Error: Malformed UTF-8 characters, possibly incorrectly encoded

Exception #0 (InvalidArgumentException): Unable to serialize value. Error: Malformed UTF-8 characters, possibly incorrectly encoded
<pre>#1 Magento\ReCaptchaCustomer\Plugin\Block\Account\InjectRecaptchaInAuthenticationPopup->afterGetJsLayout(&Magento\Customer\Block\Account\AuthenticationPopup\Interceptor#00000000153132bf000000005a8a438e#, '{"components":{"...') called at [vendor/magento/framework/Interception/Interceptor.php:146]
#2 Magento\Customer\Block\Account\AuthenticationPopup\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/framework/Interception/Interceptor.php:153]
#3 Magento\Customer\Block\Account\AuthenticationPopup\Interceptor->___callPlugins('getJsLayout', array(), array(array('inject_recaptcha...'))) called at [generated/code/Magento/Customer/Block/Account/AuthenticationPopup/Interceptor.php:23]
#4 Magento\Customer\Block\Account\AuthenticationPopup\Interceptor->getJsLayout() called at [vendor/magento/module-customer/view/frontend/templates/account/authentication-popup.phtml:17]
#5 include('/home/chalov/sit...') called at [vendor/magento/framework/View/TemplateEngine/Php.php:71]
#6 Magento\Framework\View\TemplateEngine\Php->render(&Magento\Customer\Block\Account\AuthenticationPopup\Interceptor#00000000153132bf000000005a8a438e#, '/home/chalov/sit...', array('csp' => &Magento\Csp\Api\InlineUtilInterface\Proxy#000000001531312a000000005a8a438e#, 'secureRenderer' => &Magento\Framework\View\Helper\SecureHtmlRenderer\Proxy#00000000153125bf000000005a8a438e#, 'escaper' => &Magento\Framework\Escaper#0000000015313228000000005a8a438e#)) called at [vendor/magento/framework/View/Element/Template.php:273]
#7 Magento\Framework\View\Element\Template->fetchView('/home/chalov/sit...') called at [generated/code/Magento/Customer/Block/Account/AuthenticationPopup/Interceptor.php:131]
#8 Magento\Customer\Block\Account\AuthenticationPopup\Interceptor->fetchView('/home/chalov/sit...') called at [vendor/magento/framework/View/Element/Template.php:303]
#9 Magento\Framework\View\Element\Template->_toHtml() called at [vendor/magento/framework/View/Element/AbstractBlock.php:1111]
#10 Magento\Framework\View\Element\AbstractBlock->Magento\Framework\View\Element\{closure}() called at [vendor/magento/framework/View/Element/AbstractBlock.php:1115]
#11 Magento\Framework\View\Element\AbstractBlock->_loadCache() called at [vendor/magento/framework/View/Element/AbstractBlock.php:675]
#12 Magento\Framework\View\Element\AbstractBlock->toHtml() called at [generated/code/Magento/Customer/Block/Account/AuthenticationPopup/Interceptor.php:338]
#13 Magento\Customer\Block\Account\AuthenticationPopup\Interceptor->toHtml() called at [vendor/magento/framework/View/Layout.php:566]
#14 Magento\Framework\View\Layout->_renderBlock('authentication-p...') called at [vendor/magento/framework/View/Layout.php:542]
...
#57 Magento\Framework\View\Result\Page\Interceptor->Magento\Framework\Interception\{closure}(&Magento\Framework\App\Response\Http\Interceptor#0000000015313a81000000005a8a438e#) called at [vendor/magento/framework/Interception/Interceptor.php:153]
#58 Magento\Framework\View\Result\Page\Interceptor->___callPlugins('renderResult', array(&Magento\Framework\App\Response\Http\Interceptor#0000000015313a81000000005a8a438e#), array(array('deferJsToFooter', 'result-messages', 'result-builtin-c...', 'result-varnish-c...'))) called at [generated/code/Magento/Framework/View/Result/Page/Interceptor.php:95]
#59 Magento\Framework\View\Result\Page\Interceptor->renderResult(&Magento\Framework\App\Response\Http\Interceptor#0000000015313a81000000005a8a438e#) called at [vendor/magento/framework/App/Http.php:120]
#60 Magento\Framework\App\Http->launch() called at [generated/code/Magento/Framework/App/Http/Interceptor.php:23]
#61 Magento\Framework\App\Http\Interceptor->launch() called at [vendor/magento/framework/App/Bootstrap.php:263]
#62 Magento\Framework\App\Bootstrap->run(&Magento\Framework\App\Http\Interceptor#0000000015313a6c000000005a8a438e#) called at [index.php:39]
</pre>

[m2-assistant[bot]]

Hi @in-session. Thank you for your report.
To help us process this issue please make sure that you provided the following information:

• Summary of the issue
• Information on your environment
• Steps to reproduce
• Expected and actual results

Please make sure that the issue is reproducible on the vanilla Magento instance following Steps to reproduce. To deploy vanilla Magento instance on our environment, please, add a comment to the issue:

@magento give me 2.4-develop instance - upcoming 2.4.x release

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Please, add a comment to assign the issue: @magento I am working on this

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[Igloczek]

Same issue on 2.4.1.

[in-session]

Same issue on 2.4.1.

Maybe a solution approach, I haven't been able to test it yet:
https://magento.stackexchange.com/questions/324266/unable-to-serialize-value-error-malformed-utf-8-characters-possibly-incorrect/326340#326340

[webkul-ajaysaini]

Getting same issue after upgrading from Magento2.3.5 to Magento2.4.1

1 exception(s):
Exception #0 (InvalidArgumentException): Unable to serialize value. Error: Malformed UTF-8 characters, possibly incorrectly encoded

Exception #0 (InvalidArgumentException): Unable to serialize value. Error: Malformed UTF-8 characters, possibly incorrectly encoded

#1 Magento\ReCaptchaCustomer\Plugin\Block\Account\InjectRecaptchaInAuthenticationPopup->afterGetJsLayout(&Magento\Customer\Block\Account\AuthenticationPopup\Interceptor#0000000056f2544a000000003edb1fdc#, '{"components":{"...') called at [vendor/magento/framework/Interception/Interceptor.php:146]
#2 Magento\Customer\Block\Account\AuthenticationPopup\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/framework/Interception/Interceptor.php:153]
#3 Magento\Customer\Block\Account\AuthenticationPopup\Interceptor->___callPlugins('getJsLayout', array(), array(array('inject_recaptcha...'))) called at [generated/code/Magento/Customer/Block/Account/AuthenticationPopup/Interceptor.php:23]
#4 Magento\Customer\Block\Account\AuthenticationPopup\Interceptor->getJsLayout() called at [vendor/magento/module-customer/view/frontend/templates/account/authentication-popup.phtml:17]
#5 include('/usr/www/users/f...') called at [vendor/magento/framework/View/TemplateEngine/Php.php:71]
#6 Magento\Framework\View\TemplateEngine\Php->render(&Magento\Customer\Block\Account\AuthenticationPopup\Interceptor#0000000056f2544a000000003edb1fdc#, '/usr/www/users/f...', array('csp' => &Magento\Csp\Api\InlineUtilInterface\Proxy#0000000056f24814000000003edb1fdc#, 'secureRenderer' => &Magento\Framework\View\Helper\SecureHtmlRenderer\Proxy#0000000056f24867000000003edb1fdc#, 'escaper' => &Magento\Framework\Escaper#0000000056f25c88000000003edb1fdc#)) called at [vendor/magento/framework/View/Element/Template.php:273]
#7 Magento\Framework\View\Element\Template->fetchView('/usr/www/users/f...') called at [generated/code/Magento/Customer/Block/Account/AuthenticationPopup/Interceptor.php:131]
#8 Magento\Customer\Block\Account\AuthenticationPopup\Interceptor->fetchView('/usr/www/users/f...') called at [vendor/magento/framework/View/Element/Template.php:303]
#9 Magento\Framework\View\Element\Template->_toHtml() called at [vendor/magento/framework/View/Element/AbstractBlock.php:1111]
#10 Magento\Framework\View\Element\AbstractBlock->Magento\Framework\View\Element\{closure}() called at [vendor/magento/framework/View/Element/AbstractBlock.php:1115]
#11 Magento\Framework\View\Element\AbstractBlock->_loadCache() called at [vendor/magento/framework/View/Element/AbstractBlock.php:675]
#12 Magento\Framework\View\Element\AbstractBlock->toHtml() called at [generated/code/Magento/Customer/Block/Account/AuthenticationPopup/Interceptor.php:338]
#13 Magento\Customer\Block\Account\AuthenticationPopup\Interceptor->toHtml() called at [vendor/magento/framework/View/Layout.php:566]
#14 Magento\Framework\View\Layout->_renderBlock('authentication-p...') called at [vendor/magento/framework/View/Layout.php:542]
#15 Magento\Framework\View\Layout->renderNonCachedElement('authentication-p...') called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:149]
#16 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement('authentication-p...') called at [vendor/magento/framework/View/Layout.php:497]
#17 Magento\Framework\View\Layout->renderElement('authentication-p...', false) called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:140]
#18 Magento\Framework\View\Layout\Interceptor->renderElement('authentication-p...', false) called at [vendor/magento/framework/View/Layout.php:594]
#19 Magento\Framework\View\Layout->_renderContainer('content', false) called at [vendor/magento/framework/View/Layout.php:544]
#20 Magento\Framework\View\Layout->renderNonCachedElement('content') called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:149]
#21 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement('content') called at [vendor/magento/framework/View/Layout.php:497]
#22 Magento\Framework\View\Layout->renderElement('content', false) called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:140]
#23 Magento\Framework\View\Layout\Interceptor->renderElement('content', false) called at [vendor/magento/framework/View/Layout.php:594]
#24 Magento\Framework\View\Layout->_renderContainer('main', false) called at [vendor/magento/framework/View/Layout.php:544]
#25 Magento\Framework\View\Layout->renderNonCachedElement('main') called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:149]
#26 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement('main') called at [vendor/magento/framework/View/Layout.php:497]
#27 Magento\Framework\View\Layout->renderElement('main', false) called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:140]
#28 Magento\Framework\View\Layout\Interceptor->renderElement('main', false) called at [vendor/magento/framework/View/Layout.php:594]
#29 Magento\Framework\View\Layout->_renderContainer('columns', false) called at [vendor/magento/framework/View/Layout.php:544]
#30 Magento\Framework\View\Layout->renderNonCachedElement('columns') called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:149]
#31 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement('columns') called at [vendor/magento/framework/View/Layout.php:497]
#32 Magento\Framework\View\Layout->renderElement('columns', false) called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:140]
#33 Magento\Framework\View\Layout\Interceptor->renderElement('columns', false) called at [vendor/magento/framework/View/Layout.php:594]
#34 Magento\Framework\View\Layout->_renderContainer('main.content', false) called at [vendor/magento/framework/View/Layout.php:544]
#35 Magento\Framework\View\Layout->renderNonCachedElement('main.content') called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:149]
#36 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement('main.content') called at [vendor/magento/framework/View/Layout.php:497]
#37 Magento\Framework\View\Layout->renderElement('main.content', false) called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:140]
#38 Magento\Framework\View\Layout\Interceptor->renderElement('main.content', false) called at [vendor/magento/framework/View/Layout.php:594]
#39 Magento\Framework\View\Layout->_renderContainer('page.wrapper', false) called at [vendor/magento/framework/View/Layout.php:544]
#40 Magento\Framework\View\Layout->renderNonCachedElement('page.wrapper') called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:149]
#41 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement('page.wrapper') called at [vendor/magento/framework/View/Layout.php:497]
#42 Magento\Framework\View\Layout->renderElement('page.wrapper', false) called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:140]
#43 Magento\Framework\View\Layout\Interceptor->renderElement('page.wrapper', false) called at [vendor/magento/framework/View/Layout.php:594]
#44 Magento\Framework\View\Layout->_renderContainer('root', false) called at [vendor/magento/framework/View/Layout.php:544]
#45 Magento\Framework\View\Layout->renderNonCachedElement('root') called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:149]
#46 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement('root') called at [vendor/magento/framework/View/Layout.php:497]
#47 Magento\Framework\View\Layout->renderElement('root', true) called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:140]
#48 Magento\Framework\View\Layout\Interceptor->renderElement('root') called at [vendor/magento/framework/View/Layout.php:963]
#49 Magento\Framework\View\Layout->getOutput() called at [vendor/magento/framework/Interception/Interceptor.php:58]
#50 Magento\Framework\View\Layout\Interceptor->___callParent('getOutput', array()) called at [vendor/magento/framework/Interception/Interceptor.php:138]
#51 Magento\Framework\View\Layout\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/framework/Interception/Interceptor.php:153]
#52 Magento\Framework\View\Layout\Interceptor->___callPlugins('getOutput', array(), array(array('layout-model-cac...'))) called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:347]
#53 Magento\Framework\View\Layout\Interceptor->getOutput() called at [vendor/magento/framework/View/Result/Page.php:258]
#54 Magento\Framework\View\Result\Page->render(&Magento\Framework\App\Response\Http\Interceptor#0000000056f25ea3000000003edb1fdc#) called at [vendor/magento/framework/View/Result/Layout.php:171]
#55 Magento\Framework\View\Result\Layout->renderResult(&Magento\Framework\App\Response\Http\Interceptor#0000000056f25ea3000000003edb1fdc#) called at [vendor/magento/framework/Interception/Interceptor.php:58]
#56 Magento\Framework\View\Result\Page\Interceptor->___callParent('renderResult', array(&Magento\Framework\App\Response\Http\Interceptor#0000000056f25ea3000000003edb1fdc#)) called at [vendor/magento/framework/Interception/Interceptor.php:138]
#57 Magento\Framework\View\Result\Page\Interceptor->Magento\Framework\Interception\{closure}(&Magento\Framework\App\Response\Http\Interceptor#0000000056f25ea3000000003edb1fdc#) called at [vendor/magento/framework/Interception/Interceptor.php:153]
#58 Magento\Framework\View\Result\Page\Interceptor->___callPlugins('renderResult', array(&Magento\Framework\App\Response\Http\Interceptor#0000000056f25ea3000000003edb1fdc#), array(array('deferJsToFooter', 'result-messages', 'result-builtin-c...', 'result-varnish-c...'), array('updateBodyClass'))) called at [generated/code/Magento/Framework/View/Result/Page/Interceptor.php:95]
#59 Magento\Framework\View\Result\Page\Interceptor->renderResult(&Magento\Framework\App\Response\Http\Interceptor#0000000056f25ea3000000003edb1fdc#) called at [vendor/magento/framework/App/Http.php:120]
#60 Magento\Framework\App\Http->launch() called at [generated/code/Magento/Framework/App/Http/Interceptor.php:23]
#61 Magento\Framework\App\Http\Interceptor->launch() called at [vendor/magento/framework/App/Bootstrap.php:263]
#62 Magento\Framework\App\Bootstrap->run(&Magento\Framework\App\Http\Interceptor#0000000056f25eac000000003edb1fdc#) called at [index.php:39]

[webkul-ajaysaini]

This issue comes because recaptcha module configuration values saved in core_config_data table which can't be serialised.

Fix: Delete only public_key and private_key fields value.

[m2-assistant[bot]]

Hi @engcom-Bravo. Thank you for working on this issue.
In order to make sure that issue has enough information and ready for development, please read and check the following instruction: :point_down:

• [ ] 1. Verify that issue has all the required information. (Preconditions, Steps to reproduce, Expected result, Actual result).
  Details

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• [ ] 2. Verify that issue has a meaningful description and provides enough information to reproduce the issue. If the report is valid, add Issue: Clear Description label to the issue by yourself.

• [ ] 3. Add Component: XXXXX label(s) to the ticket, indicating the components it may be related to.

• [ ] 4. Verify that the issue is reproducible on 2.4-develop branch

  Details

  - Add the comment @magento give me 2.4-develop instance to deploy test instance on Magento infrastructure.
  - If the issue is reproducible on 2.4-develop branch, please, add the label Reproduced on 2.4.x.
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[engcom-Bravo]

Hello @in-session

Thank you for your report

We could reproduce the reported issue, by configuring reCAPTCHA on Magento 2.3.5-p2 and Upgrading the instance to 2.4.1

Additional info from Engcom is added to the description

[magento-engcom-team]

:white_check_mark: Confirmed by @engcom-Bravo
Thank you for verifying the issue. Based on the provided information internal tickets MC-39356 were created

Issue Available: @engcom-Bravo, _You will be automatically unassigned. Contributors/Maintainers can claim this issue to continue. To reclaim and continue work, reassign the ticket to yourself._

[mattijv]

This is due to the MSP_ReCaptcha module storing the public key in plain text (type="text"), but the Magento recapthca module stores it encrypted (type="obscure"). The migration however just copies the plain text value over, so when it is "decrypted", the resulting value is invalid.

To fix this get the msp_securitysuite_recaptcha/general/public_key value from the core_config_data (or your Google ReCaptcha admin page) and run the following commands:

php bin/magento config:set recaptcha_frontend/type_invisible/public_key YOURPUBLICKEY
php bin/magento config:set recaptcha_backend/type_invisible/public_key YOURPUBLICKEY

The command correctly encrypts the value when adding it to the database.

[christianbookpwood]

Just wanted to confirm that I am having this issue after upgrading from 2.3.4 to 2.4.1, and @mattijv's solution worked for me, with a slight difference, I used the following config keys since I am running Recaptcha v3:

recaptcha_frontend/type_recaptcha_v3/public_key
recaptcha_backend/type_recaptcha_v3/public_key