So this is the error log for running the windows version using proton, I have recreated the problem and the end of the text seems the most interesting. I can not paste the entire log in here, tell me if you really want all 908 lines, the rest seems to be unrelated to NO DSC.

[08:01:18][effect_impl.cpp:1804]: Error in fire event effect at file: scripted effect create_skorr_fleet at file: events/STH_federation_story_events.txt line: 1599 line: 1, could not find event: STH_federation_story.1145
[08:01:18][modifier.cpp:1320]: mod_country_ruler_food_produces_add modifier is used but not localized!
[08:01:18][containerwindow.h:89]: interface/frontend.gui: Could not find buttonType "privacy" in window "buttons".
[08:01:21][select_empire_design_view.cpp:686]: Hiding invalid prescripted empire design 'UnitedEarth':
[08:01:21][select_empire_design_view.cpp:691]: Name Lists:
Empire has no name list.