Fatal error: Uncaught Error: Class "Symfony\Component\Cache\Adapter\Psr16Adapter" not found in /home/yrdsb11w3creativ/public_html/yrdsb/vendor/symfony/cache/Adapter/SimpleCacheAdapter.php:19 Stack trace: #0 {main} thrown in /home/yrdsb11w3creativ/public_html/yrdsb/vendor/symfony/cache/Adapter/SimpleCacheAdapter.php on line 19