Fatal error: Uncaught Error: Interface 'Symfony\Component\Lock\Strategy\StrategyInterface' not found in /home/benjamincb/demos/acdg-site/vendor/symfony/lock/Strategy/UnanimousStrategy.php:19 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/symfony/lock/Strategy/UnanimousStrategy.php on line 19