Canonical list of error messages?

[Mark E. Drummond]

Is there a canonical list of error messages somewhere? I am getting a
"unapproved update from", which seems pretty self explanatory, but
doesn't seem to make much sense under the particular conditions I am
seeing.

-- 
Mark Drummond|ICQ#19153754|mailto:mark.drummond at rmc.ca
UNIX System Administrator|Royal Military College of Canada
The Kingston Linux Users Group|http://signals.rmc.ca/klug/
Saving the World ... One CPU at a Time

Please excuse me if I am terse. I answer dozens of emails every day.