Hi, I am trying to add a Person Attribute block under the Update Profile Page to allow members to update some of the Person Attribute that I have set up for them. However I get the following error during the process.

This is what I have done:

After loading the My Profile Page, I opened the admin tab and click on the Page Zone. Then I try to add a block. But when I am about to select the Person Attribute block, the error above appears and I could not add any block.

Thanks for any help!