How does HypGetParent work?

Summary:

Error 57704 using VBA HypGetParent, et al

Content (required):

I'm in EPM cloud planning and Budgeting. Get error code 57704 and vtParent is Empty after running.

I used the example from Oracle® Fusion Cloud EPM Developing Applications for Smart View for Office except for a member in my instance.

Same error code and empty array for HypGetAncestor and HypGetChild

Version (include the version you are using, if applicable):

Current Cloud EPM

Code Snippet (add any code snippets that support your topic, if applicable):

Sub Example_HypGetParent
   Dim vtParent As Variant
   X = HypGetParent (Empty, "EBITDA", vtParent)
End sub