How To Fix /IWBEP/CM_V4_MED350 - Etag property '&1' (in '&2') must be technical for CP Model

/IWBEP/CM_V4_MED350 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 350

• Message text: Etag property '&1' (in '&2') must be technical for CP Model

Self-Explanatory Message

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/IWBEP/CM_V4_MED350 - Details

• The SAP error message /IWBEP/CM_V4_MED350 indicates that there is an issue with the ETag property in the context of a Core Data Services (CDS) view or an OData service. Specifically, the error states that the ETag property must be a technical property for the Change Pointer (CP) model.
  
  Cause:
  The error typically arises due to the following reasons:
  
  Non-Technical ETag: The ETag property defined in your OData service is not marked as a technical property. In the context of OData services, ETags are used for concurrency control and should be defined as technical properties.
  Incorrect Configuration: The OData service or the underlying CDS view may not be configured correctly to handle ETags as required by the Change Pointer model.
  Model Definition Issues: The model definition may not align with the expectations of the OData framework, particularly regarding the handling of ETags.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check ETag Definition:
  
  Ensure that the ETag