How To Fix /IWBEP/CM_V4_MED318 - Setting entity delta status property not supported for key property '&1'

/IWBEP/CM_V4_MED318 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 318

• Message text: Setting entity delta status property not supported for key property '&1'

Self-Explanatory Message

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/IWBEP/CM_V4_MED318 - Details

• The SAP error message /IWBEP/CM_V4_MED318 indicates that there is an issue with setting the entity delta status property for a specific key property in an OData service. This error typically arises in the context of SAP Gateway and OData services when there is an attempt to manipulate or access the delta status of an entity that does not support it.
  
  Cause:
  
  Unsupported Key Property: The key property specified in the error message (&1) is not configured to support delta tracking. Delta tracking is a feature that allows clients to retrieve only the changes made to the data since the last request.
  Entity Set Configuration: The entity set may not be properly configured to support delta queries. This can happen if the entity set does not have a proper key defined or if the key is not marked as a key property in the metadata.
  Service Implementation: The implementation of the OData service may not