i am not sure if it is the cause or not , but i think that it has something to do with the SharedSyncedTimer = Yes/No
I could be wrng , but i am sure that i had carpet bomb set to be able to fire from different buildings over and over , at same time. The issue is , trying to have to cases of it on one unit/ building.
As long as you avoid this , i think you should be fine. If it dont work , let me know , im sure i can make it work , i did b4