Is it possible, that there is a bug in nostr:nprofile1qqs83nn04fezvsu89p8xg7axjwye2u67errat3dx2um725fs7qnrqlgzqtdq0 ?

I can't upgrade Keychat from version 1.26.8 to the latest 1.27.2 "can't downgrade" is the error I get. Same problem with Keyguard, can't ugrade from 1.9.0 to 1.10.0