Odd error in logs - user complaints

Seeing these in my Apache logs, not sure what the cause is. Anybody seen this
before? Users are reporting “stuff is broken” but cant give details.

Running RT 3.0.10 on RedHat with Apache 1.3.29, Perl 5.8.3, FreezeThaw 0.43.

[error]: Do not know how to thaw data with code `F’ at /usr/local/perl-5.8.3/lib/site_perl/5.8.3/FreezeThaw.pm line 542
FreezeThaw::thawScalar(0) called at /usr/local/perl-5.8.3/lib/site_perl/5.8.3/FreezeThaw.pm line 679
FreezeThaw::thaw(‘FrT’) called at /opt/rt3/lib/RT/Tickets_Overlay.pm line 898
eval {…} called at /opt/rt3/lib/RT/Tickets_Overlay.pm line 897
RT::tickets::ThawLimits(‘RT::Tickets=HASH(0xa41a5a4)’,‘FrT’) called at /opt/rt3/lib/RT/Interface/Web.pm line 602
HTML::Mason::Commands::ProcessSearchQuery(‘ARGS’,‘HASH(0x97885b4)’) called at /opt/rt3/share/html/Search/Listing.html line 101
HTML::Mason::Commands::ANON(‘Bookmark’,‘FrT’,‘@2|%8|$2|10$2|11$1|8$1|9%8|$11|DESCRIPTION$5|FIELD$8|OPERATOR…’,’ Nobody$5|Owner$1|=$2|10%8|$11|DESCRIPTION$5|FIEL
D$8|OPERATOR…‘,’@2|%8|$2|10$2|11$1|8$1|9%8|$11|DESCRIPTION$5|FIELD$8|OPERATOR…‘,’ Nobody$5|Owner$1|=$2|10%8|$11|DESCRIPTION$5|FIELD$8|OPERATOR…‘,‘Bookmark’,‘FrT’) calle
d at /usr/local/perl-5.8.3/lib/site_perl/5.8.3/HTML/Mason/Component.pm line 134
HTML::Mason::Component::run(‘HTML::Mason::Component::FileBased=HASH(0x9695928)’,‘Bookmark’,‘FrT’,’@2|%8|$2|10$2|11$1|8$1|9%8|$11|DESCRIPTION$5|FIELD$8|OPERATOR…‘,’
Nobody$5|Owner$1|=$2|10%8|$11|DESCRIPTION$5|FIELD$8|OPERATOR…‘,’@2|%8|$2|10$2|11$1|8$1|9%8|$11|DESCRIPTION$5|FIELD$8|OPERATOR…‘,’ Nobody$5|Owner$1|=$2|10%8|$11|DESCRIPTIO
N$5|FIELD$8|OPERATOR…‘,‘Bookmark’,‘FrT’,…) called at /usr/local/perl-5.8.3/lib/site_perl/5.8.3/HTML/Mason/Request.pm line 1074
eval {…} called at /usr/local/perl-5.8.3/lib/site_perl/5.8.3/HTML/Mason/Request.pm line 1068
HTML::Mason::Request::comp(‘undef’,‘undef’,‘Bookmark’,‘FrT’,’@2|%8|$2|10$2|11$1|8$1|9%8|$11|DESCRIPTION$5|FIELD$8|OPERATOR…‘,’ Nobody$5|Owner$1|=$2|10%8|$11|DESCRIP
TION$5|FIELD$8|OPERATOR…‘,’@2|%8|$2|10$2|11$1|8$1|9%8|$11|DESCRIPTION$5|FIELD$8|OPERATOR…‘,’ Nobody$5|Owner$1|=$2|10%8|$11|DESCRIPTION$5|FIELD$8|OPERATOR…‘,‘Bookmark’,.
…) called at /usr/local/perl-5.8.3/lib/site_perl/5.8.3/HTML/Mason/Request.pm line 760
HTML::Mason::Request::call_next(‘HTML::Mason::Request::ApacheHandler=HASH(0xa3a22d4)’,’@2|%8|$2|10$2|11$1|8$1|9%8|$11|DESCRIPTION$5|FIELD$8|OPERATOR…‘,’ Nobody$5|Ow
ner$1|=$2|10%8|$11|DESCRIPTION$5|FIELD$8|OPERATOR…‘,‘Bookmark’,‘FrT’) called at /opt/rt3/share/html/autohandler line 196
HTML::Mason::Commands::ANON(‘Bookmark’,‘FrT’,’@2|%8|$2|10$2|11$1|8$1|9%8|$11|DESCRIPTION$5|FIELD$8|OPERATOR…‘,’ Nobody$5|Owner$1|=$2|10%8|$11|DESCRIPTION$5|FIEL
D$8|OPERATOR…‘) called at /usr/local/perl-5.8.3/lib/site_perl/5.8.3/HTML/Mason/Component.pm line 134
HTML::Mason::Component::run(‘HTML::Mason::Component::FileBased=HASH(0x950ba38)’,‘Bookmark’,‘FrT’,’@2|%8|$2|10$2|11$1|8$1|9%8|$11|DESCRIPTION$5|FIELD$8|OPERATOR…‘,’
Nobody$5|Owner$1|=$2|10%8|$11|DESCRIPTION$5|FIELD$8|OPERATOR…‘) called at /usr/local/perl-5.8.3/lib/site_perl/5.8.3/HTML/Mason/Request.pm line 1069
eval {…} called at /usr/local/perl-5.8.3/lib/site_perl/5.8.3/HTML/Mason/Request.pm line 1068
HTML::Mason::Request::comp(‘undef’,‘undef’,‘undef’,‘Bookmark’,‘FrT’,’@2|%8|$2|10$2|11$1|8$1|9%8|$11|DESCRIPTION$5|FIELD$8|OPERATOR…‘,’ Nobody$5|Owner$1|=$2|10%8|$11
|DESCRIPTION$5|FIELD$8|OPERATOR…') called at /usr/local/perl-5.8.3/lib/site_perl/5.8.3/HTML/Mason/Request.pm line 338
eval {…} called at /usr/local/perl-5.8.3/lib/site_perl/5.8.3/HTML/Mason/Request.pm line 338
eval {…} called at /usr/local/perl-5.8.3/lib/site_perl/5.8.3/HTML/Mason/Request.pm line 297
HTML::Mason::Request::exec(‘HTML::Mason::Request::ApacheHandler=HASH(0xa3a22d4)’) called at /usr/local/perl-5.8.3/lib/site_perl/5.8.3/HTML/Mason/ApacheHandler.pm line
134
eval {…} called at /usr/local/perl-5.8.3/lib/site_perl/5.8.3/HTML/Mason/ApacheHandler.pm line 134
HTML::Mason::Request::ApacheHandler::exec(‘HTML::Mason::Request::ApacheHandler=HASH(0xa3a22d4)’) called at /usr/local/perl-5.8.3/lib/site_perl/5.8.3/HTML/Mason/Apache
Handler.pm line 792
HTML::Mason::ApacheHandler::handle_request(‘HTML::Mason::ApacheHandler=HASH(0x9279430)’,‘Apache=SCALAR(0xa44d2c8)’) called at /opt/rt3/bin/webmux.pl line 138
eval {…} called at /opt/rt3/bin/webmux.pl line 138
RT::Mason::handler(‘Apache=SCALAR(0xa44d2c8)’) called at /dev/null line 0
eval {…} called at /dev/null line 0

Stack:
[/usr/local/perl-5.8.3/lib/5.8.3/Carp.pm:192]
[/usr/local/perl-5.8.3/lib/site_perl/5.8.3/FreezeThaw.pm:542]
[/usr/local/perl-5.8.3/lib/site_perl/5.8.3/FreezeThaw.pm:679]
[/opt/rt3/lib/RT/Tickets_Overlay.pm:898]
[/opt/rt3/lib/RT/Interface/Web.pm:602]
[/opt/rt3/share/html/Search/Listing.html:101]
[/opt/rt3/share/html/autohandler:196]
(/opt/rt3/lib/RT/Tickets_Overlay.pm:902)

Seeing these in my Apache logs, not sure what the cause is. Anybody seen this
before? Users are reporting “stuff is broken” but cant give details.

Running RT 3.0.10 on RedHat with Apache 1.3.29, Perl 5.8.3, FreezeThaw 0.43.

Can you reproduce this with 3.0.11?