Tested this on a more recent note. 

Seems as though “private” zaps throw the error above, but anonymous and public zaps haven’t caused the same issue (for me, at least).

nostr:npub1zafcms4xya5ap9zr7xxr0jlrtrattwlesytn2s42030lzu0dwlzqpd26k5  is there already a GitHub issue here or should I submit o e? (I did a quick search but didn’t find anything)