How To Fix /IWBEP/CM_V4S_RUN077 - Expand/Select not supported on backend side for entity create

/IWBEP/CM_V4S_RUN077 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4S_RUN -

• Message number: 077

• Message text: Expand/Select not supported on backend side for entity create

Self-Explanatory Message

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/IWBEP/CM_V4S_RUN077 - Details

• The SAP error message /IWBEP/CM_V4S_RUN077 indicates that an operation (specifically, an "Expand" or "Select") is not supported on the backend side for an entity creation operation in an OData service. This typically occurs when you are trying to create an entity and simultaneously request related entities or properties that cannot be fetched or expanded during the creation process.
  
  Cause:
  
  
  Backend Limitations: The backend system (like an SAP ERP or S/4HANA system) may not support the requested operation for the entity being created. This can happen if the entity does not have the necessary relationships defined or if the backend logic does not allow for expansion during creation.
  
  
  OData Service Configuration: The OData service may not be configured to allow for the expansion of related entities during a create operation. This is often a design choice to prevent complex operations that could lead to data integrity issues.
  
  
  Incorrect Request Format: The request being sent to