I'm sure I'm treading a well-worn path here, but I've just upgraded to otrs-3.2.8 and I am trying to connect with an android device. I'm getting the -e: Use of uninitialized value in concatenation (.) or string at /opt/otrs/bin/cgi-bin/json.pl error shown below. Where can I start to track this problem down?

[Fri Jun 21 09:52:48 2013] -e: Use of uninitialized value in concatenation (.) or string at /opt/otrs/bin/cgi-bin/json.pl line 121.

ERROR: OTRS-iPhoneHandle-10 Perl: 5.8.8 OS: linux Time: Fri Jun 21 09:52:48 2013

Message: Need User, Object and Method!

RemoteAddress: 216.146.190.180
RequestURI: /otrs/json.pl

Traceback (8686):
Module: Core::Dispatch (unknown version) Line: 133
Module: ModPerl::ROOT::ModPerl::Registry::opt_otrs_bin_cgi_2dbin_json_2epl::handler (unknown version) Line: 61

Module: (eval) (v1.25) Line: 204
Module: ModPerl::RegistryCooker::run (v1.25) Line: 204
Module: ModPerl::RegistryCooker::default_handler (v1.25) Line: 170
Module: ModPerl::Registry::handler (v1.99) Line: 31

--
+-----------------------------------------------------------------+
Walter R. Moore -- Sr. Systems Administrator, Eckerd College
moorewr@eckerd.edu -- http://home.eckerd.edu/~moorewr

"It was glorious to see -- if your heart were iron,
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