Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Connection' not found in /home/bucereo/my_project_name/vendor/doctrine/dbal/lib/Doctrine/DBAL/Portability/Connection.php:31 Stack trace: #0 {main} thrown in /home/bucereo/my_project_name/vendor/doctrine/dbal/lib/Doctrine/DBAL/Portability/Connection.php on line 31