noun
plural -rors
something that is not correct :a wrong action or statement :mistake [count]
[count] :a mistake made by a person who is playing a sport (such as baseball or tennis)
in error
not correct
in a way that is not correct
margin of/for error
the error of your ways
To see, recognize, acknowledge, etc., the error of your ways is to admit that you have been doing something wrong or behaving badly and to stop doing it.