Fatal error: Uncaught Error: Class 'craft\db\Migration' not found in /home/mpolsk5/public_html/visibilityfuel.com/vendor/craftcms/redactor/src/migrations/m190225_003922_split_cleanup_html_settings.php:17 Stack trace: #0 {main} thrown in /home/mpolsk5/public_html/visibilityfuel.com/vendor/craftcms/redactor/src/migrations/m190225_003922_split_cleanup_html_settings.php on line 17