No, you've missed the point. As already explained, error handling is part of a script's usual behaviour.
If you are saying it's usual to monitor unusual behavior, then I agree with you. Errors should not usually occur. If the reason an error occurs is known, it should have a checking "method" written to prevent the error from occurring.
I am through with the definition fight. I've stated my definition, if you don't like it, provide online sources that prove me wrong, if trying to convincing me is so important. But don't plan on me responding anymore to this thread.
BTW, here is my proof,
here and
here.
To summarize the definition links...
Dictionary.com definition of debugging
1. to detect and remove defects or errors from.
3. Computers. to detect and remove errors from (a computer program).
WordNet definition for error
2. inadvertent incorrectness
6. (computer science) the occurrence of an incorrect result produced by a computer
