Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /home/digit496/public_html/assets.digitalgmg.com/database/migrations/2023_03_21_215218_update_slack_setting.php:8 Stack trace: #0 {main} thrown in /home/digit496/public_html/assets.digitalgmg.com/database/migrations/2023_03_21_215218_update_slack_setting.php on line 8