Fatal error: Uncaught Error: Class 'Illuminate\Database\Eloquent\Relations\BelongsToMany' not found in C:\xampp\htdocs\webservices\2911inovarservice-order\vendor\illuminate\database\Eloquent\Relations\MorphToMany.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\webservices\2911inovarservice-order\vendor\illuminate\database\Eloquent\Relations\MorphToMany.php on line 9