Messages - Do you avoid giving an "Error" message for validation purposes?
  v1.0 Posted at 27/11/2012 3:27 PM by Rebecca Liu
If you do a search and no matches are found, display a message indicating zero results were returned rather than an error message.
Figure: Bad Example - No matches found on searching is not an "Error"
However, a user thinks that either:
  1. They have done something wrong (i.e. they are incompetent) OR
  2. The software is broken (i.e. your application is incompetent)
Forcing the user into this opinion is a good way to make them avoid using your software in the future.
Instead, use the term "Information" when validation is required.
Figure: Good Example - Only use "Error" when appropriate

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