Amazing affection masks this mistake (5)

I believe the answer is:

gaffe

'this mistake' is the definition.
(gaffe is a kind of mistake)

'amazing affection masks' is the wordplay.
'masks' says the answer is hidden in the clue.
'GAFFE' can be found hidden inside 'amazing affection'.

(Other definitions for gaffe that I've seen before include "bad mistake" , "Blundering remark" , "slip" , "embarrassing error" , "A foolish error" .)

I've seen this clue in The Times and The Sun.

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