Second time this error has appeared. Help please

It only happens when creating tickets.

error: Can’t call method “IsLocal” on an undefined value at
/usr/local/rt3/lib/RT/URI.pm line 249.
context:

245: =cut
246:
247: sub IsLocal {
248: my $self = shift;
249: return $self->Resolver->IsLocal;
250: }
251:
252:
253: # }}}

code stack: /usr/local/rt3/lib/RT/URI.pm:249
/usr/local/rt3/lib/RT/Links_Overlay.pm:161
/usr/local/rt3/local/html/Elements/ShowLinks:71
/usr/local/rt3/share/html/Ticket/Elements/ShowSummary:100
/usr/local/rt3/share/html/Widgets/TitleBox:51
/usr/local/rt3/share/html/Ticket/Elements/ShowSummary:101
/usr/local/rt3/share/html/Ticket/Display.html:58
/usr/local/rt3/share/html/Widgets/TitleBox:51
/usr/local/rt3/share/html/Ticket/Display.html:59
/usr/local/rt3/share/html/autohandler:291
raw error

Can’t call method “IsLocal” on an undefined value at
/usr/local/rt3/lib/RT/URI.pm line 249.

Trace begun at /usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Exceptions.pm
line 129
HTML::Mason::Exceptions::rethrow_exception(‘Can't call method “IsLocal”
on an undefined value at /usr/local/rt3/lib/RT/URI.pm line 249.^J’)
called at /usr/local/rt3/lib/RT/URI.pm line 249
RT::URI::IsLocal(‘RT::URI=HASH(0xbe10bf0)’) called at
/usr/local/rt3/lib/RT/Links_Overlay.pm line 161
RT::Links::Next(‘RT::Links=HASH(0xbdf6e78)’) called at
/usr/local/rt3/local/html/Elements/ShowLinks line 71
HTML::Mason::Commands::ANON(‘Ticket’, ‘RT::Ticket=HASH(0xbc3ab5c)’)
called at /usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run(‘HTML::Mason::Component::FileBased=HASH(0xbde72f8)’,
‘Ticket’, ‘RT::Ticket=HASH(0xbc3ab5c)’) called at
/usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Request.pm line 1251
eval {…} at /usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Request.pm
line 1245
HTML::Mason::Request::comp(undef, undef, ‘Ticket’,
‘RT::Ticket=HASH(0xbc3ab5c)’) called at
/usr/local/rt3/share/html/Ticket/Elements/ShowSummary line 100
HTML::Mason::Commands::ANON at
/usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Request.pm line 1315
HTML::Mason::Request::content(‘HTML::Mason::Request::ApacheHandler=HASH(0xb8b61ac)’)
called at /usr/local/rt3/share/html/Widgets/TitleBox line 51
HTML::Mason::Commands::ANON(‘title’, ‘Links’, ‘title_href’,
‘/Ticket/ModifyLinks.html?id=122190’, ‘class’, ‘ticket-info-links’)
called at /usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run(‘HTML::Mason::Component::FileBased=HASH(0xbd1d1f4)’,
‘title’, ‘Links’, ‘title_href’, ‘/Ticket/ModifyLinks.html?id=122190’,
‘class’, ‘ticket-info-links’) called at
/usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Request.pm line 1251
eval {…} at /usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Request.pm
line 1245
HTML::Mason::Request::comp(undef, undef, undef, ‘title’, ‘Links’,
‘title_href’, ‘/Ticket/ModifyLinks.html?id=122190’, ‘class’,
‘ticket-info-links’) called at
/usr/local/rt3/share/html/Ticket/Elements/ShowSummary line 101
HTML::Mason::Commands::ANON(‘Ticket’, ‘RT::Ticket=HASH(0xbc3ab5c)’,
‘Attachments’, ‘RT::Attachments=HASH(0xbbfb4d8)’) called at
/usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run(‘HTML::Mason::Component::FileBased=HASH(0xbd418c0)’,
‘Ticket’, ‘RT::Ticket=HASH(0xbc3ab5c)’, ‘Attachments’,
‘RT::Attachments=HASH(0xbbfb4d8)’) called at
/usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Request.pm line 1251
eval {…} at /usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Request.pm
line 1245
HTML::Mason::Request::comp(undef, undef, ‘Ticket’,
‘RT::Ticket=HASH(0xbc3ab5c)’, ‘Attachments’,
‘RT::Attachments=HASH(0xbbfb4d8)’) called at
/usr/local/rt3/share/html/Ticket/Display.html line 58
HTML::Mason::Commands::ANON at
/usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Request.pm line 1315
HTML::Mason::Request::content(‘HTML::Mason::Request::ApacheHandler=HASH(0xb8b61ac)’)
called at /usr/local/rt3/share/html/Widgets/TitleBox line 51
HTML::Mason::Commands::ANON(‘title’, ‘Ticket metadata’) called at
/usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run(‘HTML::Mason::Component::FileBased=HASH(0xbd1d1f4)’,
‘title’, ‘Ticket metadata’) called at
/usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Request.pm line 1251
eval {…} at /usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Request.pm
line 1245
HTML::Mason::Request::comp(undef, undef, undef, ‘title’, ‘Ticket
metadata’) called at /usr/local/rt3/share/html/Ticket/Display.html line 59
HTML::Mason::Commands::ANON(‘id’, 122190) called at
/usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run(‘HTML::Mason::Component::FileBased=HASH(0xb855b74)’,
‘id’, 122190) called at
/usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Request.pm line 1251
eval {…} at /usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Request.pm
line 1245
HTML::Mason::Request::comp(undef, undef, undef, ‘id’, 122190) called at
/usr/local/rt3/share/html/autohandler line 291
HTML::Mason::Commands::ANON(‘id’, 122190) called at
/usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run(‘HTML::Mason::Component::FileBased=HASH(0xbb97620)’,
‘id’, 122190) called at
/usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Request.pm line 1246
eval {…} at /usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Request.pm
line 1245
HTML::Mason::Request::comp(undef, undef, undef, ‘id’, 122190) called at
/usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Request.pm line 459
eval {…} at /usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Request.pm
line 459
eval {…} at /usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/Request.pm
line 411
HTML::Mason::Request::exec(‘HTML::Mason::Request::ApacheHandler=HASH(0xb8b61ac)’)
called at /usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/ApacheHandler.pm
line 168
HTML::Mason::Request::ApacheHandler::exec(‘HTML::Mason::Request::ApacheHandler=HASH(0xb8b61ac)’)
called at /usr/lib/perl5/vendor_perl/5.8.7/HTML/Mason/ApacheHandler.pm
line 826
HTML::Mason::ApacheHandler::handle_request(‘HTML::Mason::ApacheHandler=HASH(0xb07ee88)’,
‘Apache2::RequestRec=SCALAR(0xbbfbe50)’) called at
/usr/local/rt3/bin/webmux.pl line 125
eval {…} at /usr/local/rt3/bin/webmux.pl line 125
RT::Mason::handler(‘Apache2::RequestRec=SCALAR(0xbbfbe50)’) called at -e
line 0
eval {…} at -e line 0

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