I appreciate your assistance. Regarding "ModPerl::ROOT::ModPerl::PerlRun::var_www_cgi_test_2dthai_2dmod_2epl"...I have no idea what this is. It's obviously related, somehow, to Apache's ModPerl feature. I don't think it has anything to do with Perl, and it most certainly is not anything I created. The "var_www_cgi_test_2dthai_2dmod_2epl" part is a recognizable encoding of some sort for my actual file, i.e. "/var/www/cgi/test-thai-mod.pl". That is the full path of the file...there is no "ModPerl::..." behind it.

Error messages often are most unhelpful. This is just such a case. It was a "ModPerl::ROOT::ModPerl::..." error of some sort that once disappeared after a "service apache2 restart" command (after spending several hours trying to puzzle it out with my code); but I have not been so lucky with this second round. Of course, Googling it gets me nowhere, other than to a realization that, as is often the case, I'm quite unique. I'm actually relatively certain that my code is not the culprit...but things never seem to work like they should for me, so perhaps I'm just oblivious to something I've done wrong.