joyemang33 commented on issue #2138: URL: https://github.com/apache/incubator-hugegraph/issues/2138#issuecomment-1450191342
> > However, I try the hugegraph.traversal().E().order().by(values("prop10").fold().min(local)) where still returns an unexpected exception java.lang.IllegalArgumentException. > > can you share more details of the exception? Sure, the information from server is ```ERROR:root:{'exception': 'java.lang.IllegalArgumentException', 'message': 'The provided traverser does not map to a value: e[L695415354955923456>6>>L695415355421491200][695415354955923456-Elabel6->695415355421491200]->[PropertiesStep([prop10],value), FoldStep, MinLocalStep]', 'cause': '[java.lang.IllegalArgumentException]'}```. And the information from hubble is in the following pic:  -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: dev-unsubscr...@hugegraph.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org