Both possible fixes aren't very nice:
You can either (as usual) buy a commercial plugin, which adds to your JIRA costs and can cause problems with JIRA updates; or you can try a suggestion from 2014 where someone suggested changing JIRA code but didn't even test it (but then, you can just set up a Staging JIRA and try there.).
"JIRA MIsc Workflow Extensions" apparently contains a Workflow Validator "field has single value"
"ScriptRunner" apparently can do something similar, but is more expensive.
The code hack:
Good morning All, Our goal is to get you into the habit of while enjoying your favorite morning drink you are checking the NOVA "space" for topics and comments. Your input is really needed and...
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