Edit Link on Lead Page does not display for field mapped as a dependency

Edit Link on Lead Page does not display for field mapped as a dependency

I've discovered a problem on my lead pages in Zoho CRM.

To summarise, I have two fields:

Location (Mapped as Parent Field)
Address (Mapped as Child Field)

Both of these fields appear on my Lead page (EntityInfo.do), but the 'Edit' link only appears next to Address (the Child Field). When I click it, the drop-down gives no options.

No edit link appears next to Location (the Parent Field).

If I want to use this functionality, I have to click Edit above the Lead's name and go to the EditEntity.do page to make it work.

I believe this is a bug in Zoho CRM.