Fatal error: Uncaught Error: Interface "Psr\Cache\CacheItemInterface" not found in /home/rwebserver/public_html/demo.rwebserver.com/alegria/vendor/symfony/cache-contracts/ItemInterface.php:23 Stack trace: #0 {main} thrown in /home/rwebserver/public_html/demo.rwebserver.com/alegria/vendor/symfony/cache-contracts/ItemInterface.php on line 23