Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Validation\Rule" not found in /home/waleed/public_html/subdomains/campaigns.waleed.jt.mumara.dev/app/Rules/DripGroupForUserRule.php:8 Stack trace: #0 {main} thrown in /home/waleed/public_html/subdomains/campaigns.waleed.jt.mumara.dev/app/Rules/DripGroupForUserRule.php on line 8