Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /var/www/dev/public/database/migrations/Sueldos/2020_10_27_110400_AddColumnConceptos.php:7 Stack trace: #0 {main} thrown in /var/www/dev/public/database/migrations/Sueldos/2020_10_27_110400_AddColumnConceptos.php on line 7