Hi,
I have an error with Twig 2.6.1 in list page (Notice: Undefined index: vars) in template _delete_form.html.twig
It's a Twig bug and should be fixed in https://github.com/twigphp/Twig/pull/2813 for next release, meanwhile adds Twig 2.6.1 to conflicts section in your composer.json.
How-to for previous comment: Add this to your composer.json, on the same indentation level as require:
```json
"conflict": {
"twig/twig": "2.6.1"
},
Twig 1.37.1 and 2.6.2 have been released and fix this bug. So you can also just update Twig. :)
Most helpful comment
How-to for previous comment: Add this to your
composer.json, on the same indentation level asrequire:```json
"conflict": {
"twig/twig": "2.6.1"
},