Message on mib browser

Message on mib browser

I am trying to run snmpwalk, it works fine, but after the last mib it throw an error:
Request Failed: Get Response PDU received from 127.0.0.1 Error Indication in response: There is no such variable name in this mib. Errindex: 1


Is it an error? or Is it expected when tree is ended?
My snmp agent is returning SNMP_ERRORSTATUS_NOERROR.
It gives error after last mib of the tree.
snmkget works fine on same OID.

 

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