Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /var/www/dev/public/database/migrations/2021/2021_07_22_110401_AddColumnActividadCodigoCM.php:7 Stack trace: #0 {main} thrown in /var/www/dev/public/database/migrations/2021/2021_07_22_110401_AddColumnActividadCodigoCM.php on line 7