The company has admitted that it made an 'error in judgment' [=a poor decision] in trying to expand too quickly.
The computer displayed an 'error message'. [=a message indicating that an error has occurred]
The project was a 'comedy of errors'. [=there were many errors made throughout the project]
(..) Yeah, just what I was thinking. A trio of trespassers!! And quite by accident, let me assure you. A simple navigational error. Eh heh heh... Whoa, whoa, wait wait wait... I know you. You're Mufasa's little stooge. I, madam, am the king's majordomo. And that would make you...? The future king. (..)1994 The Lion King