Fatal error: Uncaught Error: Class "Concrete\Core\Error\ErrorList\Formatter\AbstractFormatter" not found in /home/rogertabor/public_html/updates/concrete-cms-9.1.1/concrete/src/Error/ErrorList/Formatter/JsonFormatter.php:7 Stack trace: #0 {main} thrown in /home/rogertabor/public_html/updates/concrete-cms-9.1.1/concrete/src/Error/ErrorList/Formatter/JsonFormatter.php on line 7