Fatal error: Uncaught Error: Class 'Ramsey\Collection\Map\AbstractMap' not found in E:\xampp\htdocs\webhost_v2\vendor\ramsey\collection\src\Map\NamedParameterMap.php:31 Stack trace: #0 {main} thrown in E:\xampp\htdocs\webhost_v2\vendor\ramsey\collection\src\Map\NamedParameterMap.php on line 31