Wait, did you happen to add in standard dependencies such as Void/Swarm/Liberty dependency before adding in the Allied Commanders dependency as well as the Nova campaign dependency?
I think this might be the likely cause. You must add in standard dependencies before adding in other dependency such as the Allied Commanders dependency.
It has something to do with the dependencies not being loaded in my opinion. Did you receive an error at the start that states "Dependency Data could not be loaded?" This happens to locked dependencies and at times even with Blizzard dependencies.
What you can best do is to close the editor and then reopen the editor, making sure you have added the dependencies, then wait till all the dependencies data have been loaded before you attempt to make any changes to your mod.
And one more thing you need to know is that you need to own/purchase Wings of Liberty at the very least to be able to publish your very own map or mod (I'am just assuming here that you only have the free version of Starcraft 2 which does not permit you to publish your map or mod).
Wait, did you happen to add in standard dependencies such as Void/Swarm/Liberty dependency before adding in the Allied Commanders dependency as well as the Nova campaign dependency?
I think this might be the likely cause. You must add in standard dependencies before adding in other dependency such as the Allied Commanders dependency.
Then it might be due to a corrupted cache file. You can try clearing the battle.net cache folder. The following link:
https://us.battle.net/support/en/article/34721
You might also want to run scan and repair on your Starcraft 2 files. The following link:
https://us.battle.net/support/en/article/7655
Let's see whether you might be able to add the dependencies after performing the above steps. Good luck.
In reply to Forge_User_85981957: