Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/fortebku/smtp-mail/database/migrations/2026_03_17_100000_add_critical_unique_constraints.php:19 Stack trace: #0 {main} thrown in /home/fortebku/smtp-mail/database/migrations/2026_03_17_100000_add_critical_unique_constraints.php on line 19