Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Relations\Relation" not found in /home/salkanta/test.api.salkantay-trekking.com/vendor/illuminate/database/Eloquent/Relations/BelongsToMany.php:13 Stack trace: #0 {main} thrown in /home/salkanta/test.api.salkantay-trekking.com/vendor/illuminate/database/Eloquent/Relations/BelongsToMany.php on line 13