Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/bigbrainscrm/app.quicksale.in/database/migrations/2026_09_23_105000_create_b2b_variation_price_tiers_on_tenant.php:9 Stack trace: #0 {main} thrown in /home/bigbrainscrm/app.quicksale.in/database/migrations/2026_09_23_105000_create_b2b_variation_price_tiers_on_tenant.php on line 9