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Reports is not supported on clusters with Spark version lower than 2.1.
Only the program runs that were started in or after CDAP-5.0 will be processed and included in the reports, program runs from earlier CDAP version will be skipped.
More For more information about using the dashboard can be found at Dashboard REST API and , see Dashboard Microservices. For more information about Reports application's usage can be found at Reports REST API in the REST API , see Reports Microservices in the CDAP Microservices documentation.