Issue trying to sync Opmanager data to Analytics

Issue trying to sync Opmanager data to Analytics

Good afternoon
I am having some issues syncing OpManager to Analytics Plus

It used to work then on 21st Nov it just stopped.

I have tried renewing the AP Key and restarting VM's and services.

Which log should i be looking into to try and find the issue?

Any help would be appreciated.

                New to ADSelfService Plus?