APE Error while editing Nodes Properties -The formatter threw an exception while trying to deserialize the message: There was an error while trying to deserialize parameter http://schemas.solarwinds.com/2008/Core:GetNodesByIdsResult. The InnerException me

Hi team,

Need your help with the below mentioned error. It is popping up when editing nodes of Additional Poller.

The formatter threw an exception while trying to deserialize the message: There was an error while trying to deserialize parameter http://schemas.solarwinds.com/2008/Core:GetNodesByIdsResult. The InnerException message was 'Member '_compareInfo' was not found.'. Please see InnerException for more details