How To Fix /IWFND/CM_MGW252 - For HTTP Header field '&1' MDC found different values during merge.

/IWFND/CM_MGW252 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_MGW -

• Message number: 252

• Message text: For HTTP Header field '&1' MDC found different values during merge.

Self-Explanatory Message

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/IWFND/CM_MGW252 - Details

• The SAP error message /IWFND/CM_MGW252 typically occurs in the context of SAP Gateway and OData services. This error indicates that there is a conflict in the HTTP header field during the merge process, specifically related to the Multi-Dimensional Container (MDC) values. The error message suggests that the same HTTP header field has been found with different values, which leads to ambiguity in processing the request.
  
  Cause:
  
  
  Conflicting Header Values: The error arises when the same HTTP header field is present in multiple requests or responses with different values. This can happen if:
  
  Multiple clients are sending requests with different values for the same header.
  There are inconsistencies in the service implementation that lead to different values being set for the same header.
  
  
  
  Service 
  Configuration Issues: Misconfiguration in the OData service or the underlying data model can also lead to this error.
  
  
  Concurrency Issues: If multiple requests are being processed simultaneously and they modify the same resource,