vB 5.x Importer - Column not found: 1054 Unknown column 'pollid' in 'field list'

SQLSTATE[42S22]: Column not found: 1054 Unknown column 'pollid' in 'field list'




Stacktrace:
#0 /**zensiert**/wcf/lib/system/exporter/AbstractExporter.class.php(195): wcf\system\database\Database->prepareStatement('SELECT\tMAX(poll...')
#1 /**zensiert**/wcf/lib/system/exporter/VB5xExporter.class.php(615): wcf\system\exporter\AbstractExporter->__getMaxID('poll', 'pollid')
#2 [internal function]: wcf\system\exporter\VB5xExporter->countPolls()
#3 /**zensiert**/wcf/lib/system/exporter/AbstractExporter.class.php(140): call_user_func(Array)
#4 /**zensiert**/wcf/lib/system/worker/ImportWorker.class.php(66): wcf\system\exporter\AbstractExporter->countLoops('com.woltlab.wbb...')
#5 /**zensiert**/wcf/lib/system/worker/ImportWorker.class.php(73): wcf\system\worker\ImportWorker->countObjects()
#6 /**zensiert**/wcf/lib/acp/action/WorkerProxyAction.class.php(90): wcf\system\worker\ImportWorker->getProgress()
#7 /**zensiert**/wcf/lib/action/AbstractAction.class.php(49): wcf\acp\action\WorkerProxyAction->execute()
#8 /**zensiert**/wcf/lib/action/AJAXInvokeAction.class.php(63): wcf\action\AbstractAction->__run()
#9 /**zensiert**/wcf/lib/system/request/Request.class.php(58): wcf\action\AJAXInvokeAction->__run()
#10 /**zensiert**/wcf/lib/system/request/RequestHandler.class.php(139): wcf\system\request\Request->execute()
#11 /**zensiert**/acp/index.php(10): wcf\system\request\RequestHandler->handle('wbb', true)
#12 {main}