Fatal error: Uncaught Error: Class "Symfony\Component\String\AbstractUnicodeString" not found in D:\programs\xampp\htdocs\laravel-blog-api\vendor\symfony\string\UnicodeString.php:33 Stack trace: #0 {main} thrown in D:\programs\xampp\htdocs\laravel-blog-api\vendor\symfony\string\UnicodeString.php on line 33