FreezeThaw.pm error

Hello:

I noticed in my rt.log logfile, I’m getting a number of the following errors being logged:
(partial rt.log entry)

[Sun Aug 8 04:34:33 2004] [error]: Do not know how to thaw data with code `F’ at
/bld/RT/perl/lib/site_perl/5.8.4/FreezeThaw.pm line 542
FreezeThaw::thawScalar(0) called at /bld/RT/perl/lib/site_perl/5.8.4/FreezeThaw.pm
line 679
FreezeThaw::thaw(‘FrT%3B%402%7C%250%7C%241%7C4’) called at
/bld/RT/lib/RT/Tickets_Overlay.pm line 898
eval {…} called at /bld/RT/lib/RT/Tickets_Overlay.pm line 897
RT::tickets::ThawLimits(‘RT::Tickets=HASH(0x15161ac)’,
‘FrT%3B%402%7C%250%7C%241%7C4’) called at /bld/RT/lib/RT/Interface/Web.pm line 602
HTML::Mason::Commands::ProcessSearchQuery(‘ARGS’, ‘HASH(0x102c418)’) called at
/bld/RT/share/html/Search/Listing.html line 101
HTML::Mason::Commands::ANON(‘DateType’, ‘Created’, ‘OwnerOp’, ‘=’,
‘CompileRestriction’, 1, ‘RefreshSearchInterval’, -1, ‘ValueOfOwner’, …) called at
/bld/RT/perl/lib/site_perl/5.8.4/HTML/Mason/Component.pm line 134
HTML::Mason::Component::run(‘HTML::Mason::Component::FileBased=HASH(0x11b002c)’,
‘DateType’, ‘Created’, ‘OwnerOp’, ‘=’, ‘CompileRestriction’, 1, ‘RefreshSearchInterval’, -1,
…) called at /bld/RT/perl/lib/site_perl/5.8.4/HTML/Mason/Request.pm line 1074
eval {…} called at /bld/RT/perl/lib/site_perl/5.8.4/HTML/Mason/Request.pm line 1068
HTML::Mason::Request::comp(‘undef’, ‘undef’, ‘DateType’, ‘Created’, ‘OwnerOp’, ‘=’,
‘CompileRestriction’, 1, ‘RefreshSearchInterval’, …) called at
/bld/RT/perl/lib/site_perl/5.8.4/HTML/Mason/Request.pm line 760

More of the above lines followed by a stack trace.

Anyone know why this error is occurring? I’m using RT 3.0.10.
RT “appears” to be otherwise functioning.

-paul