3132158 - "getParent() of a null object loaded from local variable 'eo'" error occurs when upsert MDF entity

Customer uses Postman to insert MDF entity with error: "while trying to invoke the method com.successfactors.genericobject.api.bean.GenericObject.getParent() of a null object loaded from local variable 'eo' with the index 0"

Note: The issue is not existed when the user has Permission 'Admin access to MDF OData API'.

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SAP SuccessFactors HXM Suite
MDF OData API

Upsert MDF entity with child entity:

Customer changed 'visibility' field of MDF parent detail to other values. Please keep the default Settings of this value.

Please check visibility field, navigate to  Admin Center > Configure Object Definitions > open the detail of the MDF entity > Edit the details of parent field -> Change the visibility field to 'Not visible'.

"while trying to invoke the method com.successfactors.genericobject.api.bean.GenericObject.getParent() of a null object loaded from local variable 'eo' with the index 0", "500", "MDF Upsert" , KBA , LOD-SF-INT-MDF , Metadata Framework API (MDF) , Problem