Fatal error: Uncaught Error: Class 'Symfony\Requirements\RequirementCollection' not found in /home/logercm/dev.loger.cm/vendor/symfony/requirements-checker/src/SymfonyRequirements.php:21 Stack trace: #0 {main} thrown in /home/logercm/dev.loger.cm/vendor/symfony/requirements-checker/src/SymfonyRequirements.php on line 21