The simplest way to correct the problem is to reinstall BugZilla. Most probably your new 5.10 install don't see your old 5.8 modules.

In reply to Re: (Help Needed) Uninstall Perl 5.10 and Install 5.8 on Ubuntu 10.04 by wazoox
in thread (Help Needed) Uninstall Perl 5.10 and Install 5.8 on Ubuntu 10.04 by skumar1

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