#0 .../library/XenMods/HashTags/Model/HashTagWatch.php(51): XenForo_Application::handlePhpError(8, 'Undefined index...', '...', 51, Array)
#1 .../library/XenMods/HashTags/DataWriter/HashTag.php(38): XenMods_HashTags_Model_HashTagWatch->sendNotificationToWatchUsers('ccc', 'resource_update', 59)
#2 .../library/XenForo/DataWriter.php(1397): XenMods_HashTags_DataWriter_HashTag->_postSave()
#3 .../library/XenMods/HashTags/Model/HashTags.php(115): XenForo_DataWriter->save()
#4 .../library/XenMods/HashTags/XenResource/Search/Update.php(10): XenMods_HashTags_Model_HashTags->saveHashTags('resource_update', 59, 'Mit PHP ist es ...', 1391653715)
#5 .../library/XenForo/Search/DataHandler/Abstract.php(238): XenMods_HashTags_XenResource_Search_Update->_insertIntoIndex(Object(XenForo_Search_Indexer), Array, Array)
#6 .../library/XenResource/Search/DataHandler/Update.php(112): XenForo_Search_DataHandler_Abstract->insertIntoIndex(Object(XenForo_Search_Indexer), Array, Array)
#7 .../library/XenResource/Search/DataHandler/Update.php(94): XenResource_Search_DataHandler_Update->quickIndex(Object(XenForo_Search_Indexer), Array)
#8 .../library/XenForo/Deferred/SearchIndex.php(72): XenResource_Search_DataHandler_Update->rebuildIndex(Object(XenForo_Search_Indexer), 0, 500)
#9 .../library/XenForo/Model/Deferred.php(256): XenForo_Deferred_SearchIndex->execute(Array, Array, 7.99999713898, '')
#10 .../library/XenForo/Model/Deferred.php(390): XenForo_Model_Deferred->runDeferred(Array, 7.99999713898, '', false)
#11 .../library/XenForo/Model/Deferred.php(335): XenForo_Model_Deferred->_runInternal(Array, NULL, '', false)
#12 .../library/XenForo/ControllerAdmin/Tools.php(159): XenForo_Model_Deferred->run(true, NULL, '', false)
#13 .../library/XenForo/FrontController.php(347): XenForo_ControllerAdmin_Tools->actionRunDeferred()
#14 .../library/XenForo/FrontController.php(134): XenForo_FrontController->dispatch(Object(XenForo_RouteMatch))
#15 .../admin.php(13): XenForo_FrontController->run()
#16 {main}