That usually indicates UCP isn't properly installed, since UCP is what increases the space on that screen. Did you run the installer file after subscribing to UCP?

It could also be caused by having the wrong load order for your mods. It should go

5X
UCP
5XCPC

I don't believe so. I installed MOO then loaded the various mods and activated the 3. How would you recommend I unscrew it?

I deactivated and reactivated in your suggested load order... The issue remained.

To install UCP, follow these procedures, assuming you're using Windows:

Navigate in the Steam installation folder to Steam\SteamApps\workshop\content\298050\1109736522, which should exist if you've subscribed to UCP.

In the readme.txt file, you'll find these instructions:
1. Obviously make certain the game is not currently running and you have a Java JRE installed.
2. Extract "UnofficialCodePatch-Release.zip"
3. If Windows run the javaInstaller.bat. If Linux run the javaInstaller.sh (you will have to run the command "chmod u+x javaInstaller.sh" before this will be executable)
4. Follow prompts; "INSTALL" will install the needed files and perform a post verification
5. Launch Game - Goto mods and set active "Unofficial Code Patch", if using the Steam Workshop you should also set active the "Unofficial Code Patch Steam Workshop" mod, one of both might already be active, but please verify
6. Close and restart application

This procedure has to be repeated to install any updates to UCP.

It worked thanks for the help!

FYI, my friend and I just try to play online with these mods and it was a no go. Both had UCP, UCPSW, 5XCPC, 5X The Ultimate Balance Mod v4.9.0 running and it would freeze out on the connection screen.

I'm not very experienced in playing multiplayer in this game. If you are loading the same active mods in the same order, it should work though. Make sure you are both using the correct load order.