java.lang.IllegalArgumentException
	at com.google.common.base.Preconditions.checkArgument(Preconditions.java:129)
	at org.opendaylight.yangtools.util.ImmutableOffsetMapTemplate.instantiateTransformed(ImmutableOffsetMapTemplate.java:103)
	at org.opendaylight.yangtools.util.ImmutableOffsetMapTemplate$Ordered.instantiateTransformed(ImmutableOffsetMapTemplate.java:34)
	at org.opendaylight.yangtools.yang.data.util.ListEntryNodeDataWithSchema$Keyed.write(ListEntryNodeDataWithSchema.java:62)
	at org.opendaylight.yangtools.yang.data.util.CompositeNodeDataWithSchema.write(CompositeNodeDataWithSchema.java:223)
	at org.opendaylight.yangtools.yang.data.util.ListNodeDataWithSchema.write(ListNodeDataWithSchema.java:39)
	at org.opendaylight.yangtools.yang.data.util.CompositeNodeDataWithSchema.write(CompositeNodeDataWithSchema.java:223)
	at org.opendaylight.yangtools.yang.data.util.AbstractNodeDataWithSchema.write(AbstractNodeDataWithSchema.java:99)
	at org.opendaylight.yangtools.yang.data.codec.gson.JsonParserStream.parse(JsonParserStream.java:192)
	at org.opendaylight.restconf.nb.rfc8040.databind.JsonResourceBody.streamTo(JsonResourceBody.java:34)
	at org.opendaylight.restconf.nb.rfc8040.databind.ResourceBody.toNormalizedNode(ResourceBody.java:64)
	at org.opendaylight.restconf.nb.rfc8040.databind.AbstractResourceBodyTest.parse(AbstractResourceBodyTest.java:86)
	at org.opendaylight.restconf.nb.rfc8040.databind.JsonResourceBodyTest.testMissingKeys(JsonResourceBodyTest.java:109)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)