Fatal error: Uncaught Error: Class "Symfony\Component\String\AbstractUnicodeString" not found in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\symfony\string\CodePointString.php:25 Stack trace: #0 {main} thrown in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\symfony\string\CodePointString.php on line 25