Have you tried these:
https://docs.iris.to/support/troubleshooting
Logging out and in again seems to work in many cases.
Iris
npub1wn…n95l8
2023-04-13 15:59:23 UTC
in reply to nevent1q…zdj8
Author Public Key
npub1wnwwcv0a8wx0m9stck34ajlwhzuua68ts8mw3kjvspn42dcfyjxs4n95l8Seen on
wss://nos.lol