Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/sourceex/public_html/pm/database/migrations/2018_12_20_965158_alter_estimate_quantity_table.php:6 Stack trace: #0 {main} thrown in /home/sourceex/public_html/pm/database/migrations/2018_12_20_965158_alter_estimate_quantity_table.php on line 6