Fatal Error in PHP.trigger_error();

418:                     $this->closeConnection();

419:                     continue;

420:                 }

421: 

422:                 trigger_error($message, E_USER_ERROR);

423:             }

424: 

425:         }

426: 

/home/marketing001/public_html/community/library/database/class.database.phpPHP::Gdn_ErrorHandler();

[/home/marketing001/public_html/community/library/database/class.database.php:422] PHP::trigger_error();

[/home/marketing001/public_html/community/library/database/class.sqldriver.php:1663] Gdn_Database->query();

[/home/marketing001/public_html/community/library/database/class.sqldriver.php:614] Gdn_SQLDriver->query();

[/home/marketing001/public_html/community/plugins/VanillaInThisDiscussion/class.inthisdiscussionmodule.php:46] Gdn_SQLDriver->get();

[/home/marketing001/public_html/community/plugins/VanillaInThisDiscussion/default.php:61] InThisDiscussionModule->getData();

[/home/marketing001/public_html/community/library/core/class.pluginmanager.php:867] VanillaInThisDiscussionPlugin->discussionController_beforeDiscussionRender_handler();

[/home/marketing001/public_html/community/library/core/class.pluginmanager.php:775] Gdn_PluginManager->callEventHandler();

[/home/marketing001/public_html/community/library/core/class.pluggable.php:133] Gdn_PluginManager->callEventHandlers();

[/home/marketing001/public_html/community/applications/vanilla/controllers/class.discussioncontroller.php:251] Gdn_Pluggable->fireEvent();

[/home/marketing001/public_html/community/library/core/class.dispatcher.php:329] DiscussionController->index();

[/home/marketing001/public_html/community/index.php:44] Gdn_Dispatcher->dispatch();

[Sql] 'select u.UserID as `UserID`, u.Name as `Name`, u.Photo as `Photo`, max(c.DateInserted) as `DateLastActive`
from GDN_User u
join GDN_Comment c on u.UserID = c.InsertUserID
where c.DiscussionID = :cDiscussionID
group by u.UserID, u.Name
order by c.DateInserted desc
limit 20'

[InputParameters] array (
  ':cDiscussionID' => 1,
)

[Options] array (
  'Type' => 'select',
  'Slave' => NULL,
  'ReturnType' => 'DataSet',
)

[ReturnType] 'DataSet'

[tries] 2

[try] 0

[PDO] array (
)

[PDOStatement] false

[state] '42000'

[code] 1055

[message] 'Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column \'dt_vanilla_usergroup.c.DateInserted\' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by'

[ex] array (
)