AgileApps Support Wiki Pre Release

Template:Conflicting Layout Rules and Show Empty Fields Settings

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Note:
A field can be referenced in either:

a. A section for which Show Empty Fields in View has been disabled
    (using Advanced Options in a Section), or
b. A Layout Rule condition.

But it cannot be referenced in both places.

The Reason: If the field is empty, the server removes it from the page. The Layout Rule, meanwhile, is a JavaScript function in the page. When the Layout Rule tries to test that field, an error occurs.