Fatal error: Uncaught Error: Class 'CodeIgniter\Database\Migration' not found in /opt/lampp/htdocs/trailbridge/pmis/tests/_support/Database/Migrations/2020-02-22-222222_example_migration.php:7 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/trailbridge/pmis/tests/_support/Database/Migrations/2020-02-22-222222_example_migration.php on line 7