Prestashop: 1.7.5.0 - link widget - 500 Internal Server Error

[mrabsinthe]

Describe the bug
BO / Design / Link Widget - click and 500 Internal Server Error
Same when you click on Modules / Link List / Configure
I've unistalled Link List, cleared cache, installed again, no help, still the same - 500 Error

To Reproduce
Steps to reproduce the behavior:

1. Go to 'BO'
2. Click on 'Design / Link Widget'
3. See error

Screenshots
If applicable, add screenshots or screenrecords to help explain your problem.

Additionnal information
PrestaShop version: 1.7.5.0
Link List version: 3.0.2
PHP version: 5.6.30

[khouloudbelguith]

Hi @mrabsinthe,

Could you please provide us with more info? We need more details to understand how we can reproduce your issue:

• host
• server setup and configuration
• debug mode report
• PHP error logs
• apache error log
• javascript console log
• screenshots

Don't you know how to get this information? Please read the following article:
http://build.prestashop.com/howtos/misc/how-to-create-bug-report/

Thanks!

[mrabsinthe]

Maybe this will help (if not, I can provide more info):
Server software version: LiteSpeed
PHP version: 5.6.30
Memory limit: 256M
Max execution time: 360
Upload Max File size: 128M

[khouloudbelguith]

@mrabsinthe, did you use a custom theme or the theme by default provided by PrestaShop?
Thanks!

[mrabsinthe]

No, current theme in use: classic

[khouloudbelguith]

@mrabsinthe, try to uninstall the ps_linklist module, remove the ps_linklist folder from your projectFolder/modules/, clear cache & try to install the new version of the ps_linklist.
Thanks!

[mrabsinthe]

I did as you said, cleared cache from Advanced Parametres / Performance, also cleared my browser cache just in case and the error is still there:

[khouloudbelguith]

Hi @mrabsinthe,

Could you please try to clear cache manually by deleting all the folder into var/cache (prod & dev).
Thanks to check and feedback.

[mrabsinthe]

Hi @khouloudbelguith,
this is what I just did:
1/unistalled ps_linklist
2/deleted cache from BO as well as manually both folders (prod & dev)
3/double checked that no ps_linklist folder exists in /modules and /themes/classic/modules
4/installed ps_linklist again
5/clicked "configure"
6/and the result is: HTTP 500 Internal Server Error - Class "PrestaShop\Module\LinkList\Controller\Admin\Improve\Design\LinkBlockController" does not exist.

[khouloudbelguith]

Hi @mrabsinthe,

I discussed to our developer @jolelievre to try to reproduce the issue.
Thanks!

[mrabsinthe]

Hi @khouloudbelguith and @jolelievre and @marionf
I've been testing a trying to find a solution... Can you please try the following?
1/ fresh 1.7.5.0 installation - no custom modules, no theme - just classic - no modifications
2/ click Design / Link Widget - all is OK - no errors
3/ go to Module notifications / Updates
4/ Link List is available for upgrade v2.1.5 -> v3.0.2 - click Upgrade
5/ click Configure
6/ see the result - I have 500 Error
This issue has already been reported #11914 - I tried to install the ps_linklist from there but it is not possible to install - also 500 Error. And yes, I did clear the cache manually and deleted both folders ps_linklist:

[khouloudbelguith]

Hi, @mrabsinthe,

If you enable the debug mode, what the exact exception displayed?
Thanks!

[mrabsinthe]

The problem is with ps_linklist since v3.0.0 - none of them will install. 2.1.5 is installed correctly and working fine with no errors. I hope it helps. This is when trying to install v3.0.2 from github:

[khouloudbelguith]

@mrabsinthe, thanks for this clarifications.
Yes, when we clone ps_linklist from GitHub & we try to install it, we have issues.

@jolelievre what do you think?
But, if we try to install ps_linklist from Module Catalog page, it is OK.
https://drive.google.com/file/d/1ryNroV6djE1a3jF2BbeWHvGaT5yTAwlF/view
Thanks!

[jolelievre]

The missing autoload is because vendors are not installed inside the module:

• If you cloned the module or installed it manually based on github sources you need to run composer install inside the module (vendors are not versioned)
• If you install it from 'Module Manager' you don't have this problem because the Addons platform installs and includes the vendor inside its archives

@mrabsinthe how did you install your module?

[khouloudbelguith]

@jolelievre, thanks!
For me, I can confirm that the installation of the ps_linklist module after running composer install& composer update is done successfully.
Thanks!

[jolelievre]

Just running composer install is enough (and best practice)

[mrabsinthe]

That, unfortunately doesn't explain why we're receiving 500 Error when the ps_linklist is installed from Module Manager. Vanilla 1.7.5.0 with no additional modules nor custom theme:

[mrabsinthe]

I can provide you with credentials to my test site if that would help so you can replicate the issue yourself.

[fredalva]

Hello, same issu for me ps_linklist 3.0.2 dont work and give me error:

Class "PrestaShop\Module\LinkList\Controller\Admin\Improve\Design\LinkBlockController" does not exist.

[khouloudbelguith]

Hi,

Despite our several trials, we could not reproduce your issue with the provided information.
It seems that your issue is not a PrestaShop's core bug but most likely a server configuration or customization problem.
I invite you to contact our support team: http://addons.prestashop.com/en/388-support to help you solve your issue.

Thanks for your understanding!

[kenjinx]

I have the same problem with link-widget in fresh install 1.7.5 without any modifications.
"Oops! An Error Occurred
The server returned a "500 Internal Server Error".
Something is broken. Please let us know what you were doing when this error occurred. We will fix it as soon as possible. Sorry for any inconvenience caused."

[khouloudbelguith]

Hi @kenjinx,

This issue is currently closed, can you open a new one with more information about your configuration.
Thanks!

[jcarloscid]

I had the same problem on a installation. Key thing is that I was migrating a PS 1.6 shop into PS 1.7.5, and that means that I was copying the data from the old database to the brand new PS 1.7.5 installation.
Problem started after upgrading the module to version 3.0.2.
As the module didn't work, I made the changes needed directly on the ps_link_block* tables (remember this was a copy of the old shop tables)
I found that my old shop configuration was using CMS page ids that did no longer exist on the shop. Problem disappeared after saving a "correct" configuration making reference only to existing CMS page ids.
I am still unable to understand how an error like this can produce the debug output described here (I arrive to this ticket googling for the fatal exception).
Hope this could help.
KR

[khouloudbelguith]

Hi @jcarloscid,

Thanks for your feedback.

I found that my old shop configuration was using CMS page ids that did no longer exist on the shop.

So, to reproduce the issue, I need to delete a page cms before updating the module?

Thanks!

[jcarloscid]

I haven't tried to reproduce the issue, so I cannot guarantee the effect.
I'd better copy the ps_link_block* tables from a shop on version 1.6 after removing the CMS page on that shop. That is more close to what I have experienced.

Regards.

[khouloudbelguith]

@jcarloscid, thanks for your feedback.
ping @jolelievre what do you think?
Thanks!

[jorgelopezowd]

Hello, I have same error, cant fixit

[thomasharko]

Bonjour,
Same error, on fresh install, error only visible on one website of two configured identically on the same server.

Thanks

[elcuartito]

1-Uninstall the module
2- Clears cahe smarty
3- Delete modules / ps_linklist
4 - Reinstall the module version v2.1.6
it works correctly
NO UPDATE THIS MODULE

[elcuartito]

And no update

[AbLink-Sites-Internet]

Hello,
Same problem width a fresh installation of Prestashop 1.7.5.1 and module listlink version 3.0.2 'Class "PrestaShop\Module\LinkList\Controller\Admin\Improve\Design\LinkBlockController" does not exist.'
I had installed the version 2.1.6 and it works ... but there is no solution with the latest version of listlink ?
Regards

[thomasharko]

Thomas,
Going back to 2.1.6 and removing cache works also for me.
Regards

[AbLink-Sites-Internet]

It's works for me too but i think it's not a real good issue ...
Regards

[jolelievre]

Hello,
sadly this doesn't solve the problem with the version3. I tried to reproduce the bug again without success.
Here's what I did:

• download the 1.7.5.1 version of prestashop from the website
• install new shop
• go to "Design > Link widget"
• it works fine (of course this is the version2 which is integrated with PS 175)
• got to module manager
• upgrade the module using the "Upgrade" button
• go back to "Design > Link widget"
• it works as well, the module has been updated no error nor exception

So I would like to know if you followed those steps or used another way to upgrade the module?

Thank you

[jolelievre]

When you go in modules/ps_linklist does the vendor folder contain autoload.php and composer folder. If not you need to run composer install
Then manually remove the cache rm -fR var/cache/* and retry

[victordarius26]

When i go in lazadasales.com have a lot of module prestashop