Excel-Add-In - Error when trying to import Service Objects

Hi guys,

I get the below error when trying to upload some service objects (sample info image attached) into the SMAServiceObjectTable using Excel Add-In

Can anyone advise?

Thanks

Joe

"Invalid document schema. The following error was returned: The element ‘SMAServiceObjectTable’ in namespace 'schemas.microsoft.com/…/SMAServiceObjectTable’ has invalid child element ‘Description’ in namespace 'schemas.microsoft.com/…/SMAServiceObjectTable’. List of possible elements expected: ‘ServiceObjectGroup’ in namespace 'schemas.microsoft.com/…/SMAServiceObjectTable