https://bugs.winehq.org/show_bug.cgi?id=38431
--- Comment #4 from Luke gaming4jc2@yahoo.com --- (In reply to Anastasius Focht from comment #2)
... It's very likely that you're using native Linux Mono runtime and not Wine-Mono here, making the bug report invalid.
Regards
I am currently using wine-mono 4.5.6-1 via: https://www.archlinux.org/packages/community/any/wine-mono/