Fatal error: Uncaught Error: Class "Illuminate\Support\Collection" not found in /home/staging/ecrm.staging.teks.co.in/vendor/laravel/framework/src/Illuminate/Routing/SortedMiddleware.php:7 Stack trace: #0 {main} thrown in /home/staging/ecrm.staging.teks.co.in/vendor/laravel/framework/src/Illuminate/Routing/SortedMiddleware.php on line 7