Puppet nodes in out of sync status

I have one host in foreman with status out of sync whereas the reports are correctly uploaded to foreman. Any idea ?

Foreman and Proxy versions:

Distribution and version:
Centos 7

please check time zone of puppetmaster and agent. i notice timezone could be reason some time. if report uploading happen more then 30min then this type of issue occurs. ntp module help us to fix this issue.