I'm suddenly getting this error message when I try to check for broken links:

Link checking started at: Sat Aug 10 15:42:47 2002
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Registering URLs ...
Content-type: text/html


CGI ERROR
==========================================
Error Message : Fatal error: Can't locate object method "netloc" via package "URI::http" at /dnshome/quantummuse.com/cgi-bin/links/admin/LWP/Parallel/UserAgent.pm line 443, chunk 1.

Script Location : nph-verify.cgi
Perl Version : 5.00503
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I've used this feature before and it's worked. What's going on? How do I fix this?

Thanks in advance for any help!