The Apache access log file shows lots of these, in fact for every page view: "GET /bugzilla/skins/custom/xxxx.css HTTP/1.0" 404 These go along with corresponding "File does not exist" lines in the Apache error log. That's because the browser looks for custom CSS files since bug 265499. It would be a good thing if Bugzilla checked for the existence of such files before linking to it.
These get created by checksetup.pl. Have you upgraded Bugzilla and not rerun checksetup.pl by chance? Otherwise, there may be a bug in checksetup.pl that made it not create the files.
Hum. Seems to be something like that. Sorry for the confusion.
Status: NEW → RESOLVED
Last Resolved: 13 years ago
Resolution: --- → WORKSFORME
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