Fatal error: Uncaught Error: Interface 'Kreait\Firebase\Database\Query\Sorter' not found in /home/eshoppy/api.eshoppy.com.in/vendor-firebase/kreait/firebase-php/src/Firebase/Database/Query/Sorter/OrderByChild.php:12 Stack trace: #0 {main} thrown in /home/eshoppy/api.eshoppy.com.in/vendor-firebase/kreait/firebase-php/src/Firebase/Database/Query/Sorter/OrderByChild.php on line 12