ERROR: Duplicate state detected for source ... - data discarded


One or more messages from the named source contained duplicate values for the message state and those messages have been discarded.


Ensure that the system generating the messages for that source is submitting valid messages in a valid format and with valid content and that message state is strictly monotonically increasing with each new message.


  • Are the messages in valid format?
  • Do the messages contain valid content?
  • Is message state advancing with every new message?
  • Is the port configuration correct?
  • Find the port used by the source by using the view star$sources
  • Test the port configuration using the test_port function with a sample message.
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