Fatal error: Uncaught Error: Class 'Concrete\Core\Error\ErrorList\Formatter\AbstractFormatter' not found in /home1/heyerarc/public_html/concrete/src/Error/ErrorList/Formatter/TextFormatter.php:4 Stack trace: #0 {main} thrown in /home1/heyerarc/public_html/concrete/src/Error/ErrorList/Formatter/TextFormatter.php on line 4