Fatal error: Uncaught Error: Class 'craft\db\Migration' not found in /home/mpolsk5/public_html/visibilityfuel.com/vendor/craftcms/cms/src/migrations/m171107_000000_assign_group_permissions.php:12
Stack trace:
#0 {main}
thrown in /home/mpolsk5/public_html/visibilityfuel.com/vendor/craftcms/cms/src/migrations/m171107_000000_assign_group_permissions.php on line 12