Fatal error: Uncaught Error: Interface "Espo\Core\Acl\AssignmentChecker" not found in C:\xampp\htdocs\application\Espo\Classes\Acl\Email\AssignmentChecker.php:40 Stack trace: #0 {main} thrown in C:\xampp\htdocs\application\Espo\Classes\Acl\Email\AssignmentChecker.php on line 40