Bug when creating a new queue

When I attempt to create a new queue, I get the following after I save the
queue. This bug however does not prevent the queue from being created.
What does this mean and should I be worried?

thanks

Charles

error: Not a HASH reference at
/usr/lib/perl5/site_perl/5.8.0/DBIx/SearchBuilder/Record.pm line 880.

context:

876: sub LoadFromHash {
877: my $self = shift;
878: my $hashref = shift;
879:
880: foreach my $f ( keys %$hashref ) {
881: $self->{‘fetched’}{lc $f} = 1;
882: }
883:
884: $self->{‘values’} = $hashref;

code stack:
/usr/lib/perl5/site_perl/5.8.0/DBIx/SearchBuilder/Record.pm:880
/usr/lib/perl5/site_perl/5.8.0/DBIx/SearchBuilder/Record/Cachable.pm:66
/usr/lib/perl5/site_perl/5.8.0/DBIx/SearchBuilder.pm:161
/opt/rt3/lib/RT/Queues_Overlay.pm:81
/usr/lib/perl5/site_perl/5.8.0/DBIx/SearchBuilder.pm:400
/opt/rt3/lib/RT/Queues_Overlay.pm:109
/opt/rt3/share/html/Elements/SelectNewTicketQueue:45
/opt/rt3/share/html/Elements/CreateTicket:25
/opt/rt3/share/html/Elements/Tabs:37
/opt/rt3/share/html/Admin/Elements/Tabs:24
/opt/rt3/share/html/Admin/Elements/QueueTabs:24
/opt/rt3/share/html/Admin/Queues/Modify.html:25
/opt/rt3/share/html/autohandler:199

raw error

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