Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/gbc4/public_html/erp/Modules/Manufacturing/Database/Migrations/2021_02_16_190302_add_manufacturing_module_indexing.php:7 Stack trace: #0 {main} thrown in /home/gbc4/public_html/erp/Modules/Manufacturing/Database/Migrations/2021_02_16_190302_add_manufacturing_module_indexing.php on line 7