Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Relations\BelongsToMany" not found in E:\install\laragon\www\18euniversitecaaf\vendor\laravel\framework\src\Illuminate\Database\Eloquent\Relations\MorphToMany.php:16 Stack trace: #0 {main} thrown in E:\install\laragon\www\18euniversitecaaf\vendor\laravel\framework\src\Illuminate\Database\Eloquent\Relations\MorphToMany.php on line 16