Fatal error: Uncaught Error: Class 'Doctrine\ORM\ORMException' not found in C:\SistemasPHP\ccp\vendor\doctrine\orm\lib\Doctrine\ORM\TransactionRequiredException.php:31 Stack trace: #0 {main} thrown in C:\SistemasPHP\ccp\vendor\doctrine\orm\lib\Doctrine\ORM\TransactionRequiredException.php on line 31