It makes error! (7)

I believe the answer is:

mistake

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'it makes error' is the definition.
The definition suggests a singular noun which matches the answer.

'it makes error' is the wordplay.
'error' indicates anagramming the letters.
'it'+'makes'='itmakes'
'itmakes' is an anagram of 'MISTAKE'.

Can you help me to learn more?

(Other definitions for mistake that I've seen before include "Oversight" , "Slip" , "Wrong action or judgment" , "Error" , "Fault" .)

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