To warn about scenario issues like #42939, it could make sense for the scenario loading code to sanitycheck that startpos nations are in the nationset scenario uses. Maybe handle this as as deprecation warning (i.e. warn when deprecation warnings enabled).
To warn about scenario issues like #42939, it could make sense for the scenario loading code to sanitycheck that startpos nations are in the nationset scenario uses. Maybe handle this as as deprecation warning (i.e. warn when deprecation warnings enabled).