Summary

Next Status is unavailable to transition under the Transition drop-down.

Cause

There is no outward transition to a particular status

Solution

If you would like to transition the issue type from a particular status to any other status, please consider creating an outward transition to it. Below are the steps:

1. Navigate to project settings → Workflows.
2. Edit workflows.
3. Click on Add transition and choose that particular status, and under To, choose the next status.
4. Provide a name for the transition.
5. Publish the workflow.