Fatal error: Uncaught Error: Class "CodeIgniter\Database\Migration" not found in C:\xampp8\htdocs\code\tests\_support\Database\Migrations\2020-02-22-222222_example_migration.php:7 Stack trace: #0 {main} thrown in C:\xampp8\htdocs\code\tests\_support\Database\Migrations\2020-02-22-222222_example_migration.php on line 7