How To Fix VL873 - Name of function module &1 is not whitelisted

SAP Error Message - Details

• Message type: E = Error

• Message class: VL -

• Message number: 873

• Message text: Name of function module &1 is not whitelisted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message VL873 - Name of function module &1 is not whitelisted ?

  The SAP error message VL873, which states "Name of function module &1 is not whitelisted," typically occurs when a function module that is being called is not included in the list of allowed (whitelisted) function modules for the current context or application. This is a security feature in SAP to prevent unauthorized or potentially harmful function modules from being executed.
  Cause:
  
  Security Restrictions: The system has a whitelist mechanism that restricts the execution of certain function modules to enhance security.
  Custom Development: If a custom function module is being called and it has not been added to the whitelist, this error will occur.
  Configuration Issues: The whitelist may not be properly configured, or the function module may not have been registered correctly.
  
  Solution:
  
  
  Add Function Module to Whitelist:
  
  You need to add the function module that is causing the error to the whitelist. This can typically be done by a developer or a system administrator with the necessary authorizations.
  To do this, you can use transaction code SE37 to check the function module and then use transaction SICF to manage the service and whitelist settings.
  
  
  
  Check Authorization:
  
  Ensure that the user executing the function has the necessary authorizations to call the function module.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or notes related to the specific function module to see if there are any additional steps required for whitelisting.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a standard function module that should be whitelisted.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SE37: Function Module Maintenance
  SICF: Maintain Services
  SU53: Display Authorization Check (to check if authorization issues are causing the error)
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions for this specific error.
  
  
  Security Best Practices: Always ensure that any function modules added to the whitelist are reviewed for security implications to prevent potential vulnerabilities.
  
  
  By following these steps, you should be able to resolve the VL873 error and ensure that the necessary function modules are properly whitelisted in your SAP system.