Not a bug ErrorException: XenForo stats collection failed: cURL error 6

[Binzzz666]

Affected version

2.1.11

ErrorException: XenForo stats collection failed: cURL error 6: Could not resolve host: submit-stats.json (see http://curl.haxx.se/libcurl/c/libcurl-errors.html). src/XF/Error.php:75

Stack Trace​

#0 src/XF.php(184): XF\Error->logError('XenForo stats c...', false)
#1 src/XF/Job/CollectStats.php(75): XF::logError('XenForo stats c...')
#2 src/XF/Job/CollectStats.php(9): XF\Job\CollectStats->performStatsCollection()
#3 src/XF/Job/Manager.php(253): XF\Job\CollectStats->run(G)
#4 src/XF/Job/Manager.php(195): XF\Job\Manager->runJobInternal(Array, G)
#5 src/XF/Job/Manager.php(79): XF\Job\Manager->runJobEntry(Array, G)
#6 job.php(42): XF\Job\Manager->runQueue(false, 8)
#7 {main}

Request State​

array(4) {
["url"] => string(8) "/job.php"
["referrer"] => string(25) "http://marum.vn/admin.php"
["_GET"] => array(0) {
}
["_POST"] => array(0) {
}
}

How can I fix this problem. Thanks!