System error

error:  Session could not be unserialized at /usr/share/perl5/Apache/Session/Serialize/Storable.pm line 28.
context: 
... 
24:  sub unserialize {
25:  my $session = shift;
26: 
27:  my $data = thaw $session->{serialized};
28:  die "Session could not be unserialized" unless defined $data;
29:  #Storable can return undef or die for different errors
30:  $session->{data} = $data;
31:  }
32: 
... 
code stack:  /usr/share/perl5/Apache/Session/Serialize/Storable.pm:28
/usr/share/perl5/Apache/Session.pm:505
/usr/share/perl5/Apache/Session.pm:415
/usr/local/thinx/zeitix/zeitix/MasonSession.pm:86
/usr/local/thinx/zeitix/mason/gl/mainCSS.comp:74
/usr/local/thinx/zeitix/mason/mandanten/179/dhandler:26
raw error






























Session could not be unserialized at /usr/share/perl5/Apache/Session/Serialize/Storable.pm line 28.


Trace begun at /usr/share/perl5/HTML/Mason/Exceptions.pm line 129
HTML::Mason::Exceptions::rethrow_exception('Session could not be unserialized at /usr/share/perl5/Apache/Session/Serialize/Storable.pm line 28.^J') called at /usr/share/perl5/Apache/Session/Serialize/Storable.pm line 28
Apache::Session::Serialize::Storable::unserialize('Apache::Session::File=HASH(0x354f320)') called at /usr/share/perl5/Apache/Session.pm line 505
Apache::Session::restore('Apache::Session::File=HASH(0x354f320)') called at /usr/share/perl5/Apache/Session.pm line 415
Apache::Session::TIEHASH('Apache::Session::File', 'f0ad43bcd8f1e67b17b175826fab9c52', 'HASH(0x30a1f00)') called at /usr/local/thinx/zeitix/zeitix/MasonSession.pm line 86
MasonSession::new('MasonSession') called at /usr/local/thinx/zeitix/mason/gl/mainCSS.comp line 74
HTML::Mason::Commands::__ANON__('lay_params', 'HASH(0x351eea8)', 'cgi_params', 'HASH(0x3281700)', 'dir_params', 'HASH(0x355ca20)', 'layColors', 'HASH(0x349e2a0)') called at /usr/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x2ee1d40)', 'lay_params', 'HASH(0x351eea8)', 'cgi_params', 'HASH(0x3281700)', 'dir_params', 'HASH(0x355ca20)', 'layColors', 'HASH(0x349e2a0)') called at /usr/share/perl5/HTML/Mason/Request.pm line 1278
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 1268
HTML::Mason::Request::comp(undef, undef, 'lay_params', 'HASH(0x351eea8)', 'cgi_params', 'HASH(0x3281700)', 'dir_params', 'HASH(0x355ca20)', 'layColors', 'HASH(0x349e2a0)') called at /usr/local/thinx/zeitix/mason/mandanten/179/dhandler line 26
HTML::Mason::Commands::__ANON__ at /usr/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x3341040)') called at /usr/share/perl5/HTML/Mason/Request.pm line 1273
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 1268
HTML::Mason::Request::comp(undef, undef, undef) called at /usr/share/perl5/HTML/Mason/Request.pm line 467
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 467
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 419
HTML::Mason::Request::exec('HTML::Mason::Request::ApacheHandler=HASH(0x354c868)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 165
HTML::Mason::Request::ApacheHandler::exec('HTML::Mason::Request::ApacheHandler=HASH(0x354c868)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 831
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x27fe5b8)', 'Apache2::RequestRec=SCALAR(0x3750af8)') called at /usr/local/thinx/zeitix/bin/handler.pl line 64
MyMason::MyApp::handler('Apache2::RequestRec=SCALAR(0x3750af8)') called at -e line 0
eval {...} at -e line 0