Fatal error: Uncaught Error: Class "CoinGate\Services\AbstractService" not found in C:\xampp\htdocs\cms-propay\vendor\coingate\coingate-php\lib\Services\OrderService.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\cms-propay\vendor\coingate\coingate-php\lib\Services\OrderService.php on line 9