an error occurred
 

* 1.a mistake was made

2.a miscalculation was made

3.there was a mistake

English Related Words* a clerical error

* absolute error

* absolute error of measurement

* acceleration error

* accidental error

* aeroplane error

* aiming error

* algorithm error

* allowable sampling error

* alpha error

* analytical error

* angular error

* armament error

* automatic error correction

* automatic error detection