error message

[Aleksandr Vladimirskiy]

I recently started to use modperl. Ever since I have been getting the
following message in error_log. It repeats itself as long as a browser
is requesting a uri being handled by modperl

null: Attempt to free unreferenced scalar at /dev/null line <#> <DATA>
chunk #

Can someone explain what this means or how should I go about debugging.
I have a hunch it might be taint checking, but I don't know.

Thank you,

Alex Vladimirskiy