Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/sourceex/public_html/pm/database/migrations/2018_05_07_065407_alter_invoice_id_null_payments.php:8 Stack trace: #0 {main} thrown in /home/sourceex/public_html/pm/database/migrations/2018_05_07_065407_alter_invoice_id_null_payments.php on line 8