How To Fix /IWWRK/CM_WF_ADM_MSG017 - Invalid function module &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWWRK/CM_WF_ADM_MSG -

• Message number: 017

• Message text: Invalid function module &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWWRK/CM_WF_ADM_MSG017 - Invalid function module &1 ?

  The SAP error message /IWWRK/CM_WF_ADM_MSG017 Invalid function module &1 typically indicates that the system is trying to call a function module that does not exist or is not accessible in the current context. This can occur in various scenarios, particularly in workflows or custom developments where function modules are invoked.
  Causes:
  
  Non-existent Function Module: The function module specified in the error message (&1) does not exist in the SAP system.
  Authorization Issues: The user executing the workflow may not have the necessary authorizations to access the function module.
  Transport Issues: If the function module was recently transported from another system, it may not have been properly imported or activated.
  Namespace Issues: The function module might be in a different namespace that is not accessible in the current context.
  Typographical Errors: There could be a typo in the name of the function module in the workflow configuration.
  
  Solutions:
  
  
  Check Function Module Existence:
  
  Use transaction code SE37 to check if the function module exists. Enter the name of the function module and see if it is available.
  
  
  
  Verify Authorizations:
  
  Ensure that the user has the necessary authorizations to execute the function module. You can check this using transaction SU53 after the error occurs.
  
  
  
  Transport Check:
  
  If the function module was recently transported, check the transport logs to ensure it was imported successfully. Use transaction SE09 or SE10 to review transport requests.
  
  
  
  Namespace Verification:
  
  Ensure that the function module is in the correct namespace and is accessible from the current context. If it is a custom function module, ensure it is properly defined.
  
  
  
  Correct Typographical Errors:
  
  Review the workflow configuration or any custom code that references the function module to ensure there are no typos.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the workflow to trace where the function module is being called and gather more context about the error.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the specific function module or the error message. You can search for the error message or the function module name in the SAP Support Portal.
  Workflow Configuration: Review the workflow configuration in transaction SWDD to ensure that all steps and function modules are correctly defined.
  System Logs: Check the system logs (transaction SM21) for any additional error messages or warnings that might provide more context about the issue.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution. If the problem persists, consider reaching out to your SAP Basis or development team for further assistance.