Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/sourceex/public_html/pm/database/migrations/2022_02_06_150726_add_product_custom_field_group.php:8 Stack trace: #0 {main} thrown in /home/sourceex/public_html/pm/database/migrations/2022_02_06_150726_add_product_custom_field_group.php on line 8