Fatal error: Uncaught Error: Class 'Nikolag\Core\CoreConfig' not found in /home/demohatinco/public_html/petmates_backend/vendor/nikolag/core/src/CoreService.php:5 Stack trace: #0 {main} thrown in /home/demohatinco/public_html/petmates_backend/vendor/nikolag/core/src/CoreService.php on line 5