Please download, extract and overwrite the descr_character.txt file which can be found at the bottom of this post in a rar file format:
New!! KGCM v4.3 one file install instructions with download links
This corrects an error which occured when trying to move armies with a named general attached and the movement range was less than an army not led by a general. For more information, please see the FAQ thread.
Why do units lose movement range when any general (with no movement traits) joins them?
Thank you to [Celtíbero]Mencey and vipman for first bringing this error to our attention, providing the fix and testing.