Fatal error: Uncaught Error: Class 'helper' not found in D:\Server\Apache24\htdocs\zentaopms\tmp\backup\20250213110740520_6.code\extension\xuan\im\ext\control\getaichat.php:2 Stack trace: #0 {main} thrown in D:\Server\Apache24\htdocs\zentaopms\tmp\backup\20250213110740520_6.code\extension\xuan\im\ext\control\getaichat.php on line 2