I found that when you setup a pagefinder field and use it to create a new link, it correctly shows only the single link options in the dropdown:

But when you edit an already created link, the multiple link types are not filtered:

I found that when you setup a pagefinder field and use it to create a new link, it correctly shows only the single link options in the dropdown:

But when you edit an already created link, the multiple link types are not filtered:

Oh, that’s unusual! It shouldn’t do this. I have marked this as a “Known Issue”.