Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Relations\BelongsToMany" not found in /home/macromm/abiofore/www/mongotest/vendor/mongodb/laravel-mongodb/src/Relations/BelongsToMany.php:23 Stack trace: #0 {main} thrown in /home/macromm/abiofore/www/mongotest/vendor/mongodb/laravel-mongodb/src/Relations/BelongsToMany.php on line 23