Fatal error: Uncaught Error: Class "Doctrine\ORM\Query\AST\Functions\FunctionNode" not found in C:\xampp\htdocs\electronica\vendor\doctrine\doctrine-bundle\Tests\DependencyInjection\TestStringFunction.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\electronica\vendor\doctrine\doctrine-bundle\Tests\DependencyInjection\TestStringFunction.php on line 21