How To Fix /IWBEP/CM_V4_MED381 - ETag property for stream prop. '&1' in entity type '&2' not set

/IWBEP/CM_V4_MED381 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 381

• Message text: ETag property for stream prop. '&1' in entity type '&2' not set

Self-Explanatory Message

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/IWBEP/CM_V4_MED381 - Details

• The SAP error message /IWBEP/CM_V4_MED381 indicates that there is an issue with the ETag property for a stream property in an OData service. This error typically arises when the ETag (Entity Tag) is not set for a specific stream property in the entity type being accessed. ETags are used in OData to manage concurrency and caching, ensuring that clients are working with the most recent version of the data.
  
  Cause:
  
  Missing ETag Configuration: The ETag property for the specified stream property is not configured or is missing in the metadata of the OData service.
  Incorrect Entity Type Definition: The entity type may not be correctly defined to include the ETag for the stream property.
  Service Implementation Issues: There may be issues in the implementation of the OData service that prevent the ETag from being generated or returned.
  
  
  Solution:
  
  
  Check Metadata: Verify the metadata of the OData service to ensure that the ETag property is defined for