ZFS Administration Window Fails To Launch (6549565)

Type the URL https://localhost/:6789.2 in a Firefox browser and log in as the root user. When you click the ZFS Administration link, the ZFS Administration window does not start. The following error message is displayed:

setSelectionComponentState is not defined 
https://localhost:6789/zfs/zfsmodules/Header 
openOrClose: TreeFrame is not defined 
https://localhost:6789/zfs/zfsmodules/CloseFrame.jsp

Workaround: None.