In version RT 4.4.2 the following error occurs:
[Sat May 26 02:09:05 2018] [warning]: Use of uninitialized value in concatenation (.) or string at /usr/local/share/perl5/DBIx/SearchBuilder/Record.pm line 712. (/usr/local/share/perl5/DBIx/SearchBuilder/Record.pm:712)
[23820] [Sat May 26 02:09:05 2018] [warning]: DBD::mysql::st execute failed: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WHERE id = '1'' at line 1 at /usr/local/share/perl5/DBIx/SearchBuilder/Handle.pm line 589. (/usr/local/share/perl5/DBIx/SearchBuilder/Handle.pm:589)
[23820] [Sat May 26 02:09:05 2018] [warning]: RT::Handle=HASH(0x7f18d7b30d28) couldn't execute the query 'SELECT array(0x7f18d858fee8) FROM WHERE id = ?' at /usr/local/share/perl5/DBIx/SearchBuilder/Handle.pm line 602.
DBIx::SearchBuilder::Handle::SimpleQuery(RT::Handle=HASH(0x7f18d7b30d28), "SELECT array(0x7f18d858fee8) FROM WHERE id = ?", 1) called at /usr/local/share/perl5/DBIx/SearchBuilder/Record.pm line 714
DBIx::SearchBuilder::Record::Value(RT::Report::Tickets::Entry=HASH(0x7f18d84c50c0), ARRAY(0x7f18d858fee8)) called at /opt/rt4/sbin/../lib/RT/Record.pm line 610
RT::Record::Value(RT::Report::Tickets::Entry=HASH(0x7f18d84c50c0), ARRAY(0x7f18d858fee8)) called at /opt/rt4/local/plugins/RT-Extension-SummaryByUser/html/Elements/OwnerSummary line 77
HTML::Mason::Commands::ANON("Role", "Requestor", "Field", "Organization") called at /usr/local/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run(HTML::Mason::Component::FileBased=HASH(0x7f18d84bf500), "Role", "Requestor", "Field", "Organization") called at /usr/local/share/perl5/HTML/Mason/Request.pm line 1302
eval {...} called at /usr/local/share/perl5/HTML/Mason/Request.pm line 1292
HTML::Mason::Request::comp(undef, undef, "Role", "Requestor", "Field", "Organization") called at /opt/rt4/local/plugins/RT-Extension-SummaryByUser/html/Elements/RequestorSummary line 2
.........more
4lfr3d7115
commented
6 years ago 
In version RT 4.4.2 the following error occurs: [Sat May 26 02:09:05 2018] [warning]: Use of uninitialized value in concatenation (.) or string at /usr/local/share/perl5/DBIx/SearchBuilder/Record.pm line 712. (/usr/local/share/perl5/DBIx/SearchBuilder/Record.pm:712) [23820] [Sat May 26 02:09:05 2018] [warning]: DBD::mysql::st execute failed: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WHERE id = '1'' at line 1 at /usr/local/share/perl5/DBIx/SearchBuilder/Handle.pm line 589. (/usr/local/share/perl5/DBIx/SearchBuilder/Handle.pm:589) [23820] [Sat May 26 02:09:05 2018] [warning]: RT::Handle=HASH(0x7f18d7b30d28) couldn't execute the query 'SELECT array(0x7f18d858fee8) FROM WHERE id = ?' at /usr/local/share/perl5/DBIx/SearchBuilder/Handle.pm line 602. DBIx::SearchBuilder::Handle::SimpleQuery(RT::Handle=HASH(0x7f18d7b30d28), "SELECT array(0x7f18d858fee8) FROM WHERE id = ?", 1) called at /usr/local/share/perl5/DBIx/SearchBuilder/Record.pm line 714 DBIx::SearchBuilder::Record::Value(RT::Report::Tickets::Entry=HASH(0x7f18d84c50c0), ARRAY(0x7f18d858fee8)) called at /opt/rt4/sbin/../lib/RT/Record.pm line 610 RT::Record::Value(RT::Report::Tickets::Entry=HASH(0x7f18d84c50c0), ARRAY(0x7f18d858fee8)) called at /opt/rt4/local/plugins/RT-Extension-SummaryByUser/html/Elements/OwnerSummary line 77 HTML::Mason::Commands::ANON("Role", "Requestor", "Field", "Organization") called at /usr/local/share/perl5/HTML/Mason/Component.pm line 135 HTML::Mason::Component::run(HTML::Mason::Component::FileBased=HASH(0x7f18d84bf500), "Role", "Requestor", "Field", "Organization") called at /usr/local/share/perl5/HTML/Mason/Request.pm line 1302 eval {...} called at /usr/local/share/perl5/HTML/Mason/Request.pm line 1292 HTML::Mason::Request::comp(undef, undef, "Role", "Requestor", "Field", "Organization") called at /opt/rt4/local/plugins/RT-Extension-SummaryByUser/html/Elements/RequestorSummary line 2 .........more