Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Validation\Rule' not found in /home/cityvhuu/localibs.co.uk/localibs/app/Rules/BlacklistEmailRule.php:9 Stack trace: #0 {main} thrown in /home/cityvhuu/localibs.co.uk/localibs/app/Rules/BlacklistEmailRule.php on line 9