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