Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /var/www/dev/public/database/migrations/Sueldos/2020_03_17_110402_TableConceptos.php:12 Stack trace: #0 {main} thrown in /var/www/dev/public/database/migrations/Sueldos/2020_03_17_110402_TableConceptos.php on line 12