How To Fix /IWFND/MED011 - Header of external entity &1 could not be inserted

/IWFND/MED011 - Overview

• Message type: E = Error

• Message class: /IWFND/MED -

• Message number: 011

• Message text: Header of external entity &1 could not be inserted

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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/IWFND/MED011 - Details

• The SAP error message /IWFND/MED011 Header of external entity &1 could not be inserted typically occurs in the context of SAP Gateway and OData services. This error indicates that there was an issue with inserting the header of an external entity, which could be due to various reasons. Below are some common causes, potential solutions, and related information:
  Causes:
  
  Data Format Issues: The data being sent in the request may not conform to the expected format or structure defined in the OData service.
  Missing Required Fields: The request may be missing mandatory fields that are required for the entity being created or updated.
  Authorization Issues: The user may not have the necessary permissions to perform the operation on the external entity.
  Service 
  Configuration Issues: There may be misconfigurations in the OData service or the underlying data model.
  Backend Errors: There could be issues in the backend system (e.g., database constraints, business logic errors) that prevent the