Type checking for required top level fields doesn't provide location information

[MrCreosote]

In [8]: ws.save_objects({'id': 68974, 'objects': [{'name': 'SomeSet', 'type': "K
   ...: BaseSets.AssemblySet", 'data': {"items": [{"ref": "68953/12/1"}]}}]})  

ServerError: JSONRPCError: -32500. Object #1, SomeSet failed type checking:
Object doesn't have required fields : [description], at 
us.kbase.typedobj.exceptions.TypedObjectValidationException: Object #1, SomeSet failed type checking:
Object doesn't have required fields : [description], at 
	at us.kbase.workspace.database.Workspace.validate(Workspace.java:953)
	at us.kbase.workspace.database.Workspace.validateObjectsAndExtractReferences(Workspace.java:837)
	at us.kbase.workspace.database.Workspace.saveObjects(Workspace.java:721)
	at us.kbase.workspace.kbase.WorkspaceServerMethods.saveObjects(WorkspaceServerMethods.java:389)
	at us.kbase.workspace.WorkspaceServer.saveObjects(WorkspaceServer.java:707)
	at sun.reflect.GeneratedMethodAccessor145.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at us.kbase.common.service.JsonServerServlet.processRpcCall(JsonServerServlet.java:681)
	at us.kbase.common.service.JsonServerServlet.doPost(JsonServerServlet.java:553)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:543)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:678)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:609)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:810)
	at org.apache.tomcat.util.net.Nio2Endpoint$SocketProcessor.doRun(Nio2Endpoint.java:1630)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at org.apache.tomcat.util.net.AbstractEndpoint.processSocket(AbstractEndpoint.java:1082)
	at org.apache.tomcat.util.net.Nio2Endpoint$Nio2SocketWrapper$2.completed(Nio2Endpoint.java:566)
	at org.apache.tomcat.util.net.Nio2Endpoint$Nio2SocketWrapper$2.completed(Nio2Endpoint.java:544)
	at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:126)
	at sun.nio.ch.Invoker$2.run(Invoker.java:218)
	at sun.nio.ch.AsynchronousChannelGroupImpl$1.run(AsynchronousChannelGroupImpl.java:112)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)