https://bugs.winehq.org/show_bug.cgi?id=56044
--- Comment #4 from Bernhard Übelacker bernhardu@mailbox.org --- Thanks for this clarification.
So attaching terminal output here with the WINEDEBUG environment set might still be informative (https://wiki.winehq.org/FAQ#General):
WINEDEBUG=+richedit wine "Power Designer.exe" >> /tmp/output.txt 2>&1
Or a free and legal download for the application, and some instructions how to generate such a rtf text file from it, could be helpful.