Fatal error: Uncaught Error: Class 'Ramsey\Collection\Map\AbstractMap' not found in /home/manager/iotia/my-laravel/vendor/ramsey/collection/src/Map/NamedParameterMap.php:29 Stack trace: #0 {main} thrown in /home/manager/iotia/my-laravel/vendor/ramsey/collection/src/Map/NamedParameterMap.php on line 29