I had version 2.8.4 (now updated to 2.8.5) but regardless of the version Iam unable to delete the FAQs. The delete button just do nothing at all

Another strange thing is related records in some FAQ page. They are "old versions" vissible in the related records that shoudntd be - by old version I mean probalby previously deleted FAQ because it have different ID and this ID is nov vissible in administration (so its like some "ghost" FAQ article).