Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\laragon\www\silkroad-laravel-deadly_vietnam\database\migrations\2020_02_07_213505_create_ticket_priorities_table.php:7 Stack trace: #0 {main} thrown in C:\laragon\www\silkroad-laravel-deadly_vietnam\database\migrations\2020_02_07_213505_create_ticket_priorities_table.php on line 7