Fatal error: Uncaught Error: Class "Illuminate\Support\Collection" not found in /home/demodh/leads.demo.diana.com.bd/vendor/laravel/framework/src/Illuminate/Testing/LoggedExceptionCollection.php:7 Stack trace: #0 {main} thrown in /home/demodh/leads.demo.diana.com.bd/vendor/laravel/framework/src/Illuminate/Testing/LoggedExceptionCollection.php on line 7