Fatal error: Uncaught Error: Class "IMAppLib_Module_Abstract" not found in C:\SHC\xampp\htdocs\shc_mobile_backend\packages\imapplib\src\IMAppLib\Facebook\CommunicationModule.php:9 Stack trace: #0 {main} thrown in C:\SHC\xampp\htdocs\shc_mobile_backend\packages\imapplib\src\IMAppLib\Facebook\CommunicationModule.php on line 9