Faults of which beginners have none? (5)

I believe the answer is:

vices

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'faults' is the definition.
The answer and definition can be both acts as well as being plural nouns.
Maybe there's a link between them I don't understand?

I don't understand the remainder of the clue.

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(Other definitions for vices that I've seen before include "Sins or depravities" , "Moral weaknesses and holding devices" , "Shortcomings" , "Moral faults or bad habits" .)

I've seen this clue in the Evening Standard.

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