Name: Sun (email_not_shown)
Date: 01/29/13-07:47:59 AM Z

I met the same question with you when I first use FenyCalc 3.7, the most likely cause is that your FeynArts was not patched appropriately with FeynCalc,you must input $LoadPhi=True, every time you want to use FeynCalc.
Yours Sun

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