Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Relations\Relation" not found in /home/yulugrowadmin/api.yulugrow.com/vendor/illuminate/database/Eloquent/Relations/BelongsTo.php:12 Stack trace: #0 {main} thrown in /home/yulugrowadmin/api.yulugrow.com/vendor/illuminate/database/Eloquent/Relations/BelongsTo.php on line 12