There's a solution to this.
SteamLibrary\steamapps\common\Dawn of War II - Retribution\GameAssets\Locale\*Your language* there should be something called Dow2Codex.ucs This was conflicting with the Elite mod for me. Causing this issue. If this isn't in the folder of the language you play in it could cause this issue from what I read.
qsTwix
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