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