Fatal error: Uncaught Error: Interface "League\Config\ConfigurationInterface" not found in D:\xampp\htdocs\_runing\sales-manager-system\vendor\league\config\src\ReadOnlyConfiguration.php:19 Stack trace: #0 {main} thrown in D:\xampp\htdocs\_runing\sales-manager-system\vendor\league\config\src\ReadOnlyConfiguration.php on line 19