Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/educhxio/public_html/educ/database/migrations/2026_03_03_120000_add_purchase_cost_to_sale_items.php:7 Stack trace: #0 {main} thrown in /home/educhxio/public_html/educ/database/migrations/2026_03_03_120000_add_purchase_cost_to_sale_items.php on line 7