Fatal error: Uncaught Error: Class 'Illuminate\Cache\Lock' not found in /home/app/htdocs/lidia/vendor/laravel/framework/src/Illuminate/Cache/MemcachedLock.php:7 Stack trace: #0 {main} thrown in /home/app/htdocs/lidia/vendor/laravel/framework/src/Illuminate/Cache/MemcachedLock.php on line 7