Fatal error: Uncaught Error: Class 'Nikolag\Square\Exception' not found in /home/demohatinco/public_html/petmates_backend/vendor/nikolag/laravel-square/src/exceptions/InvalidSquareCvvException.php:8 Stack trace: #0 {main} thrown in /home/demohatinco/public_html/petmates_backend/vendor/nikolag/laravel-square/src/exceptions/InvalidSquareCvvException.php on line 8