Fatal error: Uncaught Error: Class "Ramsey\Collection\AbstractSet" not found in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\ramsey\collection\src\Set.php:41 Stack trace: #0 {main} thrown in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\ramsey\collection\src\Set.php on line 41