I don't know what you mean by "I lock Jira". A 502 error means the service is not responding, but we can't tell you more than that. You will need to read the server logs - they will tell you why the service has stopped or is not responding.
Learn how to use two new reports for next-gen projects in Jira Cloud: Cumulative flow diagram and Sprint burndown chart. Ivan Teong, Product Manager, Jira Software, demos the Cumulative ...
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