Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Validation\ValidationRule" not found in /home/ipsitaltd/public_html/btsh-backend-test/Modules/HR/Rules/UniqueBasicSalaryComponent.php:9 Stack trace: #0 {main} thrown in /home/ipsitaltd/public_html/btsh-backend-test/Modules/HR/Rules/UniqueBasicSalaryComponent.php on line 9