"No matches found" when trying to add a VLAN to an aggregate interface after upgrading

Just upgraded fortimanager to v 6.2.8. Trying to add a new VLAN to an aggregate interface and the list is empty, it displays "no matches found" where I would expect to see the two 802.3ad interfaces listed.

Accessing the fortigate appliance directly, were I define the new VLAN I do see the two aggregate interfaces as an option.

Reviewed every setting I can think of and don't seem to find why they do not appear listed.

Any suggestion as to why this is happening would be helpful.

Thanks,

J.S.