-SOLVED- Upgrade from D8.5.6 to D8.6.0: Uncaught PHP Exception InvalidArgumentException

Hallo i’ve a Drupal Site 8.5.6. I’ve upload ne new version Drupal 8.6.0 and my site now show this error The website encountered an unexpected error. Please try again later In the error_log_php i’ve found this Uncaught PHP Exception InvalidArgumentException: “Field reusable is unknown.” at /home3/papparec/public_html/core/lib/Drupal/Core/Entity/ContentEntityBase.php line 586[…]

D8 – CKeditor does not appear for roles other than admin

Hello I’m using Drupal8. I created the “operator” role. In /admin/config/content/formats/manage/full_html I have also assigned “full HTML” to this role. In admin/config/content/formats/manage/full_html i’ve activate Administrator and Operator permission see image http://www.ecommunication.it/imgformum/drupal3.png When a user with an operator role edit a content, the CKeditor buttons do[…]