```ruby
MediaItem.expire_cache!
Menu.expire_cache!
Setting.expire_cache!
Setting.expire_application_cache_key!
```

Fix issue when referencing models that don't exist in first installation
user
```ruby
'MediaItem'.safe_constantize&.expire_cache!
'Menu'.safe_constantize&.expire_cache!
'Setting'.safe_constantize&.expire_cache!
'Setting'.safe_constantize&.expire_application_cache_key!
```
assistant