Via UI Browser.app I can see that the dialog is coming from macOS process printtool. When the error occurs the console shows error -37, but I couldn’t find anything about that online, so it could be a new printtool issue. Would it help/would you be interested in a sample of printtool?
It’s a Keyboard Maestro macro, running for some days now. But the whole thing is just a backup in case the API access is too expensive. So yes, if the service can be used via a macro I’ll use that for the offending URLs
If one invests some time to find the people whose tweets are worth archiving then Twitter can be very useful. Took some years but now I definitely don’t want to miss my Twitter lists and DTTG to create bookmarks