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Lt. Commander
Join Date: Dec 2007
Posts: 120
# 23
02-15-2010, 09:46 AM
I got the same problem with one of my science officers. I had 2 lieutenant ground abilities and no lieutenant commander skill. I was able to re-train and get rid of the 2 lieutenant and replace them with just one...but I can't train the commander skill. Just keeps saying "Replaces Unknown Node". Sent in a ticket, hopefully gets resolved before I hit admiral.