[R] unidentified option(s) in mean.model

Allan Tanaka allantanaka11 at yahoo.com
Fri Feb 17 18:20:08 CET 2017

So i tried brute force to find best fitted GARCH model for prediction.The code works fine as it runs but at the end of processing, there's error like this: There were 50 or more warnings (use warnings() to see the first 50).
So i type warnings(), then the error become:unidentified option(s) in mean.model 
Not sure what's gone wrong?
See attached for R script

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