Matthew -

The perl part of your question is obscured by/in your link. For the record (and for the bretheren) you started with this problem; received help on issues like the apparent lack of ISA.pm:

Can't locate Class/ISA.pm in @INC (@INC contains: lib extlib /usr/lib/
+perl5/5.6.0/i386-linux /usr/lib/perl5/5.6.0 /usr/lib/perl5/site_perl/
+5.6.0/i386-linux /usr/lib/perl5/site_perl/5.6.0 /usr/lib/perl5/site_p
+erl/5.005/i386-linux /usr/lib/perl5/site_perl/5.005 /usr/lib/perl5/si
+te_perl .) at extlib/CGI/Application.pm line 4. 
BEGIN failed--compilation aborted at extlib/CGI/Application.pm line 4.
+ Compilation failed in require at lib/PerlDesk/App.pm line 11. 
BEGIN failed--compilation aborted at lib/PerlDesk/App.pm line 11. Comp
+ilation failed in require at lib/PerlDesk/App/Installer.pm line 22. B
+EGIN failed--compilation aborted at lib/PerlDesk/App/Installer.pm lin
+e 22. Compilation failed in require at /home/.sites/143/site2/web/cgi
+-bin/install.cgi line 25.
[download]

and have not stated your latest problem at all, here... tho I note that as of this writing, you've received a tip at logicnow on how to manually install at least two missing database modules.

The error messages you posted appear -- to me, in my ignorance -- to reflect C problems -- note the ".c" and ".h" references -- perhaps (?) in connection with your attempt to build a module.

Perhaps wiser heads than I can piece this together, but it might be well to add an update, with some clarifying detail