How To Fix MM_IM_ODATA_API_RDOC013 - Field & cannot be set at Header Level

SAP Error Message - Details

• Message type: E = Error

• Message class: MM_IM_ODATA_API_RDOC - Message Class for Reservation Document API

• Message number: 013

• Message text: Field & cannot be set at Header Level

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MM_IM_ODATA_API_RDOC013 - Field & cannot be set at Header Level ?

  The SAP error message MM_IM_ODATA_API_RDOC013 with the description "Field & cannot be set at Header Level" typically occurs in the context of the Material Management (MM) module when using the OData API for creating or updating documents, such as purchase orders or goods movements.
  Cause:
  This error indicates that you are trying to set a field at the header level of a document that is not allowed to be modified or set at that level. In SAP, certain fields are designated to be set only at the item level or are not applicable at the header level. This restriction is enforced to maintain data integrity and ensure that the document structure adheres to the defined business logic.
  Solution:
  To resolve this error, you should:
  
  
  Identify the Field: Check the specific field that is causing the error (the field name will be indicated in the error message). 
  
  
  Review Documentation: Consult the SAP documentation or the OData API documentation to understand the correct usage of the field. Determine whether the field is meant to be set at the header level or if it should be set at the item level.
  
  
  Adjust Your Request: If the field is not allowed at the header level, remove it from your request or move it to the appropriate item level in your OData API call.
  
  
  Test the Changes: After making the necessary adjustments, test your API call again to ensure that the error is resolved.
  
  
  Consult with SAP Support: If you are unsure about the field's usage or if the error persists after making adjustments, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  Related Information:
  
  OData API Documentation: Review the official SAP OData API documentation for the specific API you are using. This documentation often includes details about which fields can be set at the header and item levels.
  SAP Notes: Check for any relevant SAP Notes that might address this error or provide additional context or solutions.
  Transaction Codes: Use transaction codes like SE80 (Object Navigator) or SE37 (Function Module) to explore the underlying logic of the API and the data model.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution effectively.