Data does not exist for path on boron 3node cluster after delete request.

Delete request on:

/restconf/config/opendaylight-inventory:nodes

fails with:

<errors xmlns="urn:ietf:params:xml:ns:yang:ietf-restconf"><error><error-type>protocol</error-type><error-tag>data-missing</error-tag><error-message>Data does not exist for path: /(urn:​opendaylight:inventory?revision=2013-08-19)nodes</error-message></error></errors>