Definition of "Error" :
noun: a wrong action attributable to bad judgment or ignorance or inattention
"She was quick to point out my errors."
noun: (baseball) a failure of a defensive player to make an out when normal play would have sufficed
noun: inadvertent incorrectness
noun: departure from what is ethically acceptable
noun: a misconception resulting from incorrect information
noun: part of a statement that is not correct
"The book was full of errors."
noun: (computer science) the occurrence of an incorrect result produced by a computer