Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /var/www/dev/public/database/migrations/Sueldos/2020_04_19_110400_AddColumnConceptosFiltrosAsoc.php:9 Stack trace: #0 {main} thrown in /var/www/dev/public/database/migrations/Sueldos/2020_04_19_110400_AddColumnConceptosFiltrosAsoc.php on line 9