Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/indgiants/indvlog.com/indvlog_backend/database/migrations/tenant/2021_06_20_104631_create_assignment_group.php:7 Stack trace: #0 {main} thrown in /home/indgiants/indvlog.com/indvlog_backend/database/migrations/tenant/2021_06_20_104631_create_assignment_group.php on line 7