Error while Upgrading a node from icmp monitoring to snmp

Query:

Set-SwisObject $swis -Uri 'swis://hostname/Orion/Orion.Nodes/NodeID=2' -Properties @{ ObjectSubType='SNMP';SNMPVersion='2';AgentPort='162';Allow64BitCounters='True';Community='public';RWCommunity='public' }

Error:

Set-SwisObject : Invalid column name 'SNMPV3Username'.

Invalid column name 'SNMPV3PrivMethod'.

Invalid column name 'SNMPV3PrivKey'.

Invalid column name 'SNMPV3AuthMethod'.

Invalid column name 'SNMPV3AuthKey'.

At E:\Pulkit\EditSNMP.ps1:8 char:1

+ Set-SwisObject $swis -Uri 'swis://hostname/Orion/Orion.Nodes/No ...

+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    + CategoryInfo          : InvalidOperation: (:) [Set-SwisObject], FaultException`1

    + FullyQualifiedErrorId : SwisError,SwisPowerShell.SetSwisObject

Note:-  For other properties this query is working fine, even if a set "AgentPort" alone it works fine but when i set the property "ObjectSubType" or "Community" this error occurs.

tdanner

Please help!