I agree that running the entire shader through EZSkin will correct any existing problems.  However, the OP needs to understand why the connections are made and how they work, and the only way to learn this is to spend a little time in the material room and play with the nodes.  The screencap below is a very simplified node arrangement, I removed all the deadends and redundant nodes, essentially cleaning up the workspace.  This will work in Firefly with the right maps in place and a few more nodes but it will not flag errors in the log.