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'.

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental. 

SAP SuccessFactors HCM Suite
MDF OData API

"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