Fatal error: Uncaught Error: Class 'Illuminate\Database\Eloquent\Relations\BelongsToMany' not found in /home/oplineac/public_html/app/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Relations/MorphToMany.php:9 Stack trace: #0 {main} thrown in /home/oplineac/public_html/app/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Relations/MorphToMany.php on line 9