https://bugs.winehq.org/show_bug.cgi?id=48564
--- Comment #15 from justinrun@gmail.com --- I think the bug might have been fixed as of 6.15. I was able to use the weapon shop without issue. However, I am using GE Proton, so it is possible that one of the proton/staging patches fixed it.
Can someone else who had the error test to make sure that it is actually fixed?