How To Fix QM_API_ODATA_MSG002 - ETag not provided (in field ChangedDateTime)

SAP Error Message - Details

• Message type: E = Error

• Message class: QM_API_ODATA_MSG - QM API OData Messages

• Message number: 002

• Message text: ETag not provided (in field ChangedDateTime)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message QM_API_ODATA_MSG002 - ETag not provided (in field ChangedDateTime) ?

  The SAP error message QM_API_ODATA_MSG002, which states "ETag not provided (in field ChangedDateTime)," typically occurs in the context of OData services when there is an issue with the handling of entity tags (ETags) during data operations, particularly updates.
  
  Cause:
  
  ETag Requirement: ETags are used in OData services to manage concurrency and ensure that the data being updated has not changed since it was last read. The error indicates that the ETag, which is expected in the request for the ChangedDateTime field, is missing.
  Incorrect Request Format: The request being sent to the OData service may not be formatted correctly, leading to the omission of the ETag.
  Service Configuration: The OData service may not be configured to handle ETags properly, or the entity being accessed may not support ETags.
  
  
  Solution:
  
  Include ETag in Request: Ensure that the request to the OData service includes the ETag for the entity being updated. This is typically done by including the