RMS-IRM powershell configuration error on Exchange online

Followinghttps://technet.microsoft.com/en-us/library/dn569291.aspx I get stuck in step 2 and 3 on the powershell script. I would be grateful to get some help solving this issue.

Thanks,

Charles

PS C:\WINDOWS\system32> Set-IRMConfiguration –RMSOnlineKeySharingLocation "https://sp-rms.eu.aadrm.com/TenantManagement/ServicePartner.svc"
WARNING: The command completed successfully but no settings of 'ControlPoint Config' have been modified.

PS C:\WINDOWS\system32> Import-RMSTrustedPublishingDomain -RMSOnline -name "RMS Online"
WARNING: An unexpected error has occurred and a Watson dump is being generated: The value '<domain> - Confidential - View Only' is already present in the colle
ction.
The value '<domain> - Confidential - View Only' is already present in the collection.+ CategoryInfo          : NotSpecified: (:) [Import-RMSTrustedPublishingDomain], InvalidOperationException+ FullyQualifiedErrorId : System.InvalidOperationException,Microsoft.Exchange.Management.RightsManagement.ImportRmsTrustedPublishingDomain+ PSComputerName        : pod51048psh.outlook.com