Fatal error: Uncaught Error: Interface "Psr\Cache\CacheItemPoolInterface" not found in E:\bin\Apache24\htdocs\composer\vendor\google\auth\src\Cache\SysVCacheItemPool.php:29 Stack trace: #0 {main} thrown in E:\bin\Apache24\htdocs\composer\vendor\google\auth\src\Cache\SysVCacheItemPool.php on line 29