I think it is an issue with build orders in general. I am trying to build a Cruiser and it says I don't have the required resources. However, I have 1mu Co which is more than enough to build more cruisers.

Also the build screen sometimes stops responding when trying to que up say 8 destroyers, I can't tap on more destroyers. I have to back out to the system screen and go back to the build screen to fix it.