That suggests you have a broken add-on in your system, or worse, a damaged JIRA installation, as it can't find a class.
What add-ons have you got installed, and were any of them installed manually? I.e. by using "upload addon" instead of installing through the marketplace?
I'm John Allspaw, co-founder of Adaptive Capacity Labs, where we help teams use their incidents to learn and improve. We bring research-driven methods and approaches to drive effective inciden...
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