Board Thread:Support Requests - Getting Technical/@comment-31825503-20170618074401

I keep getting error - Expression error: Unrecognised punctuation character "{". when trying to calc a param. What I want to do is if it is a certain item to perform a calc of its points value. In my template I have:

So if it is a g-e item, I want it to calc 5% of its points value, but I cant figure out how to do this. Can see the actual template here with it being shown on its Example. 