How To Fix SR260 - Whitelist callback of function module &1 is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: SR - RFC utilities

• Message number: 260

• Message text: Whitelist callback of function module &1 is not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SR260 - Whitelist callback of function module &1 is not allowed ?

  The SAP error message SR260, which states "Whitelist callback of function module &1 is not allowed," typically occurs in the context of the SAP system's security and authorization checks. This error indicates that a specific function module is not permitted to be called as part of a whitelist callback mechanism, which is a security feature designed to restrict access to certain functions.
  Cause:
  
  Security Restrictions: The function module in question is not included in the whitelist for callback functions. This is a security measure to prevent unauthorized access to sensitive functions.
  Configuration Issues: The system may not be properly configured to allow the function module to be called in the context it is being used.
  Development or Customization: If the function module is a custom development, it may not have been properly registered or authorized for use in the callback context.
  
  Solution:
  
  
  Check Whitelist Configuration: Review the whitelist configuration in your SAP system. You may need to add the function module to the whitelist if it is safe and appropriate to do so.
  
  This can typically be done in transaction SFW5 or through the relevant configuration settings in your system.
  
  
  
  Authorization Check: Ensure that the user or process attempting to call the function module has the necessary authorizations. You may need to adjust roles or permissions accordingly.
  
  
  Review Function Module: If the function module is custom, review its code and ensure it adheres to best practices for security and is intended to be used in the context of a callback.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific function module and the error message for any additional guidance or updates.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a production environment.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on whitelisting function modules.
  Security Best Practices: Familiarize yourself with SAP security best practices, especially regarding function modules and callback mechanisms.
  System Logs: Review system logs (transaction SLG1) for additional context or related errors that may provide more insight into the issue.
  
  By following these steps, you should be able to identify the cause of the SR260 error and implement a solution to resolve it.