https://bugs.winehq.org/show_bug.cgi?id=55761
--- Comment #2 from Robert de Jager robertdejager@tutanota.com --- Good news. The error occurs before the existence of the database is checked. You can just make something up.
I'll attach a tnsnames.ora with a dummy connect string. Just put it in c:\ORACLE\instantclient_21_9 and you can reproduce the issue.
Another thing I forgot is some information about my system:
OS: Arch linux Kernel: 6.5.6-arch2-1 Wine version: 8.17
Thanks, wine community!