Fatal error: Uncaught Error: Class 'DebugBar\DataCollector\DataCollector' not found in /var/www/exam_ITR_dev/vendor/maximebf/debugbar/src/DebugBar/DataCollector/ConfigCollector.php:16 Stack trace: #0 {main} thrown in /var/www/exam_ITR_dev/vendor/maximebf/debugbar/src/DebugBar/DataCollector/ConfigCollector.php on line 16