The Atlassian Community can help you and your team get more value out of Atlassian products and practices.
When trying to create any issues in Jira, it seems I got the following error.
We can't create this issue for you right now, it could be due to unsupported content you've entered into one or more of the issue fields. If this situation persists, contact your administrator as they'll be able to access more specific information in the log file.