If you have a save game still with the older version before I just updated it, it won't load now - it will show this mod in RED at the top of your mod list.

I'm very sorry. I don't have the original project on my new PC so I had to re-create the mod to update it, and that gave it a new MOD ID.

So the best solution I can think of is asking people to manually change the mod ID.
Don't worry, it's not complicated.

OPEN mod folder, located here: (or where ever your directory is)
C:\Program Files (x86)\Steam\steamapps\workshop\content\289070\2937570195

Then use Notepad to open the "More Wildcard Slots +2.modinfo"

On the 2nd line, you'll see:
<Mod id="b8e1860a-d64a-4c79-8ebc-a1ac1c592e16" version="2">

CHANGE THE MOD ID to this:
<Mod id="5f8b9974-7a28-4a3d-892b-518524f5bc97" version="2">

Save, and that's it. I just tested it and was able to load an old save.
Cheers, and sorry for the hassle.