31.   Wetzel discovered the error.

32.   When it discovered the e-mail error Wednesday evening, France Telecom sent a second message asking the recipients to erase the first one, but offered no explanation.

33.   When the customer discovered the error, he immediately called Esposito and ordered him to sell the extra stock.

34.   When I got home, I checked the contents of the bottle and discovered an error.

35.   But later when the company discovered its own error, it was reported to the EPA.

36.   But some of the papers had to be changed at the last minute when an error was discovered.

37.   Doctors discovered the error after examining a DNA sample taken from the body, a process performed on all remains.

38.   He was released from the Washington jail only this month after corrections officials retrieved his case file from storage and discovered the error, The Washington Post reported Friday.

39.   Many crimes committed on trains or in stations were recorded as having occurred above ground, he said, adding that the error was discovered during an audit.

40.   Officials said that since the error was discovered in November new procedures have been put in place to make sure it is not repeated.