Dear @ninaverena
If you feel comfortable doing so could you please send your website address, /wp-admin/ username and password and a link to this topic via 'private chats' and i will try to give it a go :)
( note: do not disclose private info on this thread )
Or i could try to recreate this on my website and do my best to describe / tutorial you how to achieve it on your.
All the best
Richard