Include a reason in the error message when an issue status cannot be deleted
|Assignee:||Go MAEDA||% Done:|
The attached patch adds a reason why the issue status cannot be deleted to the error message "Unable to delete issue status".
You cannot delete issue statuses if the status in use. Sometimes it is difficult to deal with the problem because the error message always says only "Unable to delete issue status".
After applying this patch, you can see an error message with the reason when an issue status cannot be deleted.