Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/nextgenc/shieldlink.app/inventory/database/migrations/2023_03_21_215218_update_slack_setting.php:8 Stack trace: #0 {main} thrown in /home/nextgenc/shieldlink.app/inventory/database/migrations/2023_03_21_215218_update_slack_setting.php on line 8