Fatal error: Uncaught Error: Class 'Ramsey\Collection\AbstractCollection' not found in /home/demohatinco/public_html/automarketer_backend/vendor/ramsey/collection/src/Collection.php:76 Stack trace: #0 {main} thrown in /home/demohatinco/public_html/automarketer_backend/vendor/ramsey/collection/src/Collection.php on line 76