https://bugs.winehq.org/show_bug.cgi?id=49135
--- Comment #2 from Austin English austinenglish@gmail.com --- (In reply to Artem S. Tashkinov from comment #1)
Strangely you can go past this error and still install it successfully. Not sure if it's worth having this bug in Wine's bugzilla.
Assuming it doesn't happen on windows, I see no reason why it shouldn't be reported (particularly if it's a regression).
Can you run a regression test?