Just like notifications, it can be very frustrating to troubleshoot permission settings. To help with this, JIRA also provides a Permission Helper to assist administrators with pinpointing settings that prevent users from accessing certain features.
The Permission Helper works similarly to the Notification Helper:
Browse to the JIRA administration console.
Select the Add-ons tab and then the Permission Helper option at the bottom.
Specify the user that is having access problems in the User field.
Specify the issue to test with.
Select the permission the user does not have (for example, Edit issue).
Click on Submit.
As shown in the preceding screenshot, the user Patrick Li cannot edit issues for the DEMO project because he is not a member of the Developer project role, which is required as per the Default Permission Scheme used.