Fatal error: Uncaught Error: Class 'Ramsey\Collection\Map\AbstractMap' not found in C:\Apache24\htdocs\vendor.old\ramsey\collection\src\Map\AbstractTypedMap.php:32 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\vendor.old\ramsey\collection\src\Map\AbstractTypedMap.php on line 32