Fatal Error in Gdn_Database.Query();

410: 

411:                     if (!is_object($PDOStatement)) {

412:                         trigger_error(errorMessage('PDO Statement failed to prepare', $this->ClassName, 'Query', $this->getPDOErrorMessage($PDO->errorInfo())), E_USER_ERROR);

413:                     } elseif ($PDOStatement->execute($InputParameters) === false) {

414:                         trigger_error(errorMessage($this->getPDOErrorMessage($PDOStatement->errorInfo()), $this->ClassName, 'Query', $Sql), E_USER_ERROR);

415:                     }

416:                 } else {

417:                     $PDOStatement = $PDO->query($Sql);

418:                 }

/home/wwwroot/www.vantk.com/library/database/class.database.phpPHP::Gdn_ErrorHandler();

[/home/wwwroot/www.vantk.com/library/database/class.database.php:414] PHP::trigger_error();

[/home/wwwroot/www.vantk.com/library/database/class.sqldriver.php:1716] Gdn_Database->query();

[/home/wwwroot/www.vantk.com/library/database/class.sqldriver.php:640] Gdn_SQLDriver->query();

[/home/wwwroot/www.vantk.com/plugins/Weiproject/WGNodesModel.php:110] Gdn_SQLDriver->get();

[/home/wwwroot/www.vantk.com/plugins/Weiproject/WGNodesModel.php:269] WGNodesModel->treeQuery();

[/home/wwwroot/www.vantk.com/plugins/Vantk/class.vantk.plugin.php:404] WGNodesModel->getNodesByTypeAndIndexRandom();

[/home/wwwroot/www.vantk.com/library/core/class.pluginmanager.php:894] VantkPlugin->Base_Render_Before();

[/home/wwwroot/www.vantk.com/library/core/class.pluginmanager.php:803] Gdn_PluginManager->callEventHandler();

[/home/wwwroot/www.vantk.com/library/core/class.pluggable.php:185] Gdn_PluginManager->callEventHandlers();

[/home/wwwroot/www.vantk.com/applications/dashboard/controllers/class.homecontroller.php:66] Gdn_Pluggable->__call();

[/home/wwwroot/www.vantk.com/applications/dashboard/controllers/class.homecontroller.php:66] HomeController->render();

[/home/wwwroot/www.vantk.com/applications/dashboard/controllers/class.homecontroller.php:66] HomeController->error();

[/home/wwwroot/www.vantk.com/library/core/class.dispatcher.php:329] PHP::call_user_func_array();

[/home/wwwroot/www.vantk.com/library/core/class.controller.php:1595] Gdn_Dispatcher->dispatch();

[/home/wwwroot/www.vantk.com/library/core/class.dispatcher.php:318] Gdn_Controller->renderException();

[/home/wwwroot/www.vantk.com/index.php:58] Gdn_Dispatcher->dispatch();

[Sql] 'select case  when line.nodeTo is NULL then 0 when line2.nodeTo is NULL then 1 else 2 end as `depth`, case  when line.nodeTo is NULL then \'\' when line2.nodeTo is NULL then \'--\' else \'-----\' end as `depthPrefix`, case  when line.nodeTo is NULL then child.nodeIndex when line2.nodeTo is NULL then (select nodeIndex from GDN_WGNodes where _id= line.nodeTo) else (select nodeIndex from GDN_WGNodes where _id= line2.nodeTo) end as `root`, case  when line2.nodeTo is NULL then 0 else (select nodeIndex from GDN_WGNodes where _id= line.nodeTo) end as `second`, rnd.*
from GDN_WGNodes child
left join GDN_WGNodes line on child._id = line.nodeFrom
left join GDN_WGNodes parent on parent._id = line.nodeTo
left join GDN_WGNodes line2 on line.nodeTo = line2.nodeFrom
left join (SELECT * FROM GDN_WGNodes ORDER BY RAND()) rnd on rnd.nodeIndex = child.nodeIndex and rnd.nodeType = child.nodeType
where child.nodeType = :childnodeType
 and child.nodeIndex > :childnodeIndex
group by rnd.nodeIndex
order by child.nodeIndex asc'

[InputParameters] array (
  ':childnodeType' => 'rightEvent',
  ':childnodeIndex' => 0,
)

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

[ReturnType] 'DataSet'

[tries] 2

[try] 0

[PDO] array (
)

[PDOStatement] array (
  'queryString' => 'select case  when line.nodeTo is NULL then 0 when line2.nodeTo is NULL then 1 else 2 end as `depth`, case  when line.nodeTo is NULL then \'\' when line2.nodeTo is NULL then \'--\' else \'-----\' end as `depthPrefix`, case  when line.nodeTo is NULL then child.nodeIndex when line2.nodeTo is NULL then (select nodeIndex from GDN_WGNodes where _id= line.nodeTo) else (select nodeIndex from GDN_WGNodes where _id= line2.nodeTo) end as `root`, case  when line2.nodeTo is NULL then 0 else (select nodeIndex from GDN_WGNodes where _id= line.nodeTo) end as `second`, rnd.*
from GDN_WGNodes child
left join GDN_WGNodes line on child._id = line.nodeFrom
left join GDN_WGNodes parent on parent._id = line.nodeTo
left join GDN_WGNodes line2 on line.nodeTo = line2.nodeFrom
left join (SELECT * FROM GDN_WGNodes ORDER BY RAND()) rnd on rnd.nodeIndex = child.nodeIndex and rnd.nodeType = child.nodeType
where child.nodeType = :childnodeType
 and child.nodeIndex > :childnodeIndex
group by rnd.nodeIndex
order by child.nodeIndex asc',
)