Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/swmsdepoter/public_html/backend/database/migrations/2023_12_18_055549_create_outbound_ratecard_slabs.php:7 Stack trace: #0 {main} thrown in /home/swmsdepoter/public_html/backend/database/migrations/2023_12_18_055549_create_outbound_ratecard_slabs.php on line 7