Fatal error: Uncaught Error: Class "CodeIgniter\Database\Migration" not found in /home/pjoterk/dev/vendor/benedmunds/codeigniter-ion-auth/Database/Migrations/20181211100537_install_ion_auth.php:18 Stack trace: #0 {main} thrown in /home/pjoterk/dev/vendor/benedmunds/codeigniter-ion-auth/Database/Migrations/20181211100537_install_ion_auth.php on line 18