Issue Backlog can be found in Planning Board. Possible reason for not finding an issue could be:
- Project selection is not correct. Make sure that you have selected, correct project.
- Issue status is Closed. Issue Backlog only shows issues which are not Closed.
![Issues-in-Issue-Backlog](https://yodiz.com/help/wp-content/files/2017/04/Issues-in-Issue-Backlog.png)