NPE on AugmentationIdentifier.getNodeType

The RuntimeException could not be mapped to a response, re-throwing to the HTTP container
java.lang.UnsupportedOperationException: Augmentation node has no QName
at org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier$AugmentationIdentifier.getNodeType(YangInstanceIdentifier.java:641)[80:org.opendaylight.yangtools.yang-data-api:1.0.0.SNAPSHOT]
at org.opendaylight.restconf.restful.utils.TransactionUtil.ensureParentsByMerge(TransactionUtil.java:72)[286:org.opendaylight.netconf.sal-rest-connector:1.4.0.SNAPSHOT]
at org.opendaylight.netconf.sal.restconf.impl.BrokerFacade.putDataViaTransaction(BrokerFacade.java:535)[286:org.opendaylight.netconf.sal-rest-connector:1.4.0.SNAPSHOT]
at org.opendaylight.netconf.sal.restconf.impl.BrokerFacade.commitConfigurationDataPut(BrokerFacade.java:148)[286:org.opendaylight.netconf.sal-rest-connector:1.4.0.SNAPSHOT]
at org.opendaylight.netconf.sal.restconf.impl.RestconfImpl.updateConfigurationData(RestconfImpl.java:681)[286:org.opendaylight.netconf.sal-rest-connector:1.4.0.SNAPSHOT]
at org.opendaylight.netconf.sal.restconf.impl.StatisticsRestconfServiceWrapper.updateConfigurationData(StatisticsRestconfServiceWrapper.java:134)[286:org.opendaylight.netconf.sal-rest-connector:1.4.0.SNAPSHOT]
at org.opendaylight.netconf.sal.rest.impl.RestconfCompositeWrapper.updateConfigurationData(RestconfCompositeWrapper.java:85)[286:org.opendaylight.netconf.sal-rest-connector:1.4.0.SNAPSHOT]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)[:1.8.0_102]