How To Fix /IWFND/CM_MGW098 - X-CSRF token is needed for Batch Processing with modifying operation

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_MGW -

• Message number: 098

• Message text: X-CSRF token is needed for Batch Processing with modifying operation

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_MGW098 - X-CSRF token is needed for Batch Processing with modifying operation ?

  The SAP error message /IWFND/CM_MGW098 X-CSRF token is needed for Batch Processing with modifying operation typically occurs in the context of OData services when you are trying to perform batch operations that include modifying data (like POST, PUT, or DELETE requests) without providing a valid CSRF (Cross-Site Request Forgery) token. This is a security measure to prevent unauthorized actions on the server.
  Cause:
  
  Missing CSRF Token: The request does not include a valid CSRF token, which is required for modifying operations in OData services.
  Session Expiration: The CSRF token may have expired if the session has been inactive for a while.
  Incorrect Request Format: The batch request may not be formatted correctly, leading to the server not recognizing the CSRF token.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Obtain a CSRF Token:
  
  Before making a batch request that includes modifying operations, you need to first send a GET request to the OData service endpoint to obtain a CSRF token.
  The CSRF token is usually included in the response headers under X-CSRF-Token.
  
  Example:
  GET /your/odata/service
  Check the response headers for:
  X-CSRF-Token: <token_value>
  
  
  Include the CSRF Token in Your Batch Request:
  
  When constructing your batch request, include the CSRF token in the headers of each individual request that modifies data.
  The header should look like this:
  X-CSRF-Token: <token_value>
  
  
  
  
  Check Session Validity:
  
  Ensure that your session is still valid. If you suspect it has expired, re-authenticate and obtain a new CSRF token.
  
  
  
  Correct Batch Request Format:
  
  Ensure that your batch request is correctly formatted according to the OData specifications. Each operation should be properly defined, and the headers should be correctly set.
  
  
  
  Related Information:
  
  OData Protocol: Understanding the OData protocol and how batch processing works can help in troubleshooting issues related to CSRF tokens and batch requests.
  SAP Gateway: Familiarize yourself with SAP Gateway and its security mechanisms, including CSRF protection.
  SAP Notes: Check for any relevant SAP Notes or documentation that may provide additional insights or updates regarding CSRF handling in your specific SAP version.
  
  By following these steps, you should be able to resolve the /IWFND/CM_MGW098 error and successfully perform batch processing with modifying operations in your SAP OData service.