Fatal error: Uncaught Error: Interface "Symfony\Component\Validator\Context\ExecutionContextInterface" not found in C:\Apache24\htdocs\cms_upgrade\vendor\symfony\validator\Context\ExecutionContext.php:39
Stack trace:
#0 {main}
thrown in C:\Apache24\htdocs\cms_upgrade\vendor\symfony\validator\Context\ExecutionContext.php on line 39