Fatal error: Uncaught Error: Interface "Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface" not found in C:\Apache24\htdocs\cms_upgrade\vendor\symfony\validator\DependencyInjection\AddConstraintValidatorsPass.php:23
Stack trace:
#0 {main}
thrown in C:\Apache24\htdocs\cms_upgrade\vendor\symfony\validator\DependencyInjection\AddConstraintValidatorsPass.php on line 23