System error

error:  RT couldn't store your session.
This may mean that that the directory '/var/cache/request-tracker3.6/session_data' isn't writable or a database table is missing or corrupt.

context: 
... 
96:  };
97:  }
98: 
99:  if ($@) {
100:  die loc("RT couldn't store your session.") . "\n"
101:  . loc(
102:  "This may mean that that the directory '[_1]' isn't writable or a database table is missing or corrupt.",
103:  $RT::MasonSessionDir
104:  )
... 
code stack:  /usr/share/request-tracker3.6/html/Elements/SetupSessionCookie:100
/usr/share/request-tracker3.6/html/autohandler:120
raw error






























RT couldn't store your session.
This may mean that that the directory '/var/cache/request-tracker3.6/session_data' isn't writable or a database table is missing or corrupt.



Trace begun at /usr/share/perl5/HTML/Mason/Exceptions.pm line 129
HTML::Mason::Exceptions::rethrow_exception('RT couldn\'t store your session.^JThis may mean that that the directory \'/var/cache/request-tracker3.6/session_data\' isn\'t writable or a database table is missing or corrupt.^J^J') called at /usr/share/request-tracker3.6/html/Elements/SetupSessionCookie line 100
HTML::Mason::Commands::__ANON__ at /usr/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x8670c78)') called at /usr/share/perl5/HTML/Mason/Request.pm line 1262
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 1252
HTML::Mason::Request::comp(undef, undef) called at /usr/share/request-tracker3.6/html/autohandler line 120
HTML::Mason::Commands::__ANON__ at /usr/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x866ff88)') called at /usr/share/perl5/HTML/Mason/Request.pm line 1257
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 1252
HTML::Mason::Request::comp(undef, undef, undef) called at /usr/share/perl5/HTML/Mason/Request.pm line 466
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 466
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 418
HTML::Mason::Request::exec('HTML::Mason::Request::ApacheHandler=HASH(0x866d864)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 165
HTML::Mason::Request::ApacheHandler::exec('HTML::Mason::Request::ApacheHandler=HASH(0x866d864)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 832
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x938a250)', 'Apache2::RequestRec=SCALAR(0x93e0624)') called at /usr/share/request-tracker3.6/libexec/webmux.pl line 125
eval {...} at /usr/share/request-tracker3.6/libexec/webmux.pl line 125
RT::Mason::handler('Apache2::RequestRec=SCALAR(0x93e0624)') called at -e line 0
eval {...} at -e line 0