Importfehler

Undefined index: categoryID

File:
/www/htdocs/w00dfc58/test.jd-technik-treff.de/lib/system/WCF.class.php in line 341

Stacktrace:
#0 /www/htdocs/w00dfc58/test.jd-technik-treff.de/lib/system/exporter/WBB4xExporter.class.php(2771): wcf\system\WCF::handleError(8, 'Undefined index...', '/www/htdocs/w00...', 2771, Array)
#1 [internal function]: wcf\system\exporter\WBB4xExporter->exportMedia(0, 1000)
#2 /www/htdocs/w00dfc58/test.jd-technik-treff.de/lib/system/exporter/AbstractExporter.class.php(152): call_user_func(Array, 0, 1000)
#3 /www/htdocs/w00dfc58/test.jd-technik-treff.de/lib/system/worker/ImportWorker.class.php(95): wcf\system\exporter\AbstractExporter->exportData('com.woltlab.wcf...', 0)
#4 /www/htdocs/w00dfc58/test.jd-technik-treff.de/lib/acp/action/WorkerProxyAction.class.php(92): wcf\system\worker\ImportWorker->execute()
#5 /www/htdocs/w00dfc58/test.jd-technik-treff.de/lib/action/AbstractAction.class.php(47): wcf\acp\action\WorkerProxyAction->execute()
#6 /www/htdocs/w00dfc58/test.jd-technik-treff.de/lib/action/AJAXInvokeAction.class.php(61): wcf\action\AbstractAction->__run()
#7 /www/htdocs/w00dfc58/test.jd-technik-treff.de/lib/system/request/Request.class.php(83): wcf\action\AJAXInvokeAction->__run()
#8 /www/htdocs/w00dfc58/test.jd-technik-treff.de/lib/system/request/RequestHandler.class.php(107): wcf\system\request\Request->execute()
#9 /www/htdocs/w00dfc58/test.jd-technik-treff.de/acp/index.php(9): wcf\system\request\RequestHandler->handle('wcf', true)
#10 {main}