( ! ) Fatal error: Uncaught Error: Class "Symfony\Component\Validator\Constraint" not found in /home/dgregio/www/regio-ewrc/target/vendor/symfony/validator/Constraints/Isbn.php on line 25
( ! ) Error: Class "Symfony\Component\Validator\Constraint" not found in /home/dgregio/www/regio-ewrc/target/vendor/symfony/validator/Constraints/Isbn.php on line 25
Call Stack
#	Time	Memory	Function	Location
1	0.0013	374408	{main}( )	.../Isbn.php:0