That looks like a broken custom field plugin, or tweaked code in the core. Have you got customisations like either of those?
Could you try narrowing down the search and see if you can find a pattern when it breaks (e.g. it's only project X, or issue type Y, or when field Z has data)?
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
We're bringing product updates and pro tips on teamwork to ten cities around the world.Save your spot