Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Validation\ValidationRule" not found in /home/livosotech/sites/fixit.livosotech.com/app/Rules/UniqueCategoryInZone.php:9 Stack trace: #0 {main} thrown in /home/livosotech/sites/fixit.livosotech.com/app/Rules/UniqueCategoryInZone.php on line 9