How To Fix /PM0/3FWM_TOOL015 - Incorrect number of arguments in callback

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/3FWM_TOOL -

• Message number: 015

• Message text: Incorrect number of arguments in callback

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 /PM0/3FWM_TOOL015 - Incorrect number of arguments in callback ?

  The SAP error message /PM0/3FWM_TOOL015 Incorrect number of arguments in callback typically occurs in the context of SAP's Process Management or Workflow Management tools. This error indicates that a callback function is being called with an incorrect number of arguments, which can lead to issues in the execution of workflows or processes.
  Causes:
  
  Incorrect Function Signature: The callback function may be defined with a different number of parameters than what is being passed when it is invoked.
  Configuration Issues: There may be misconfigurations in the workflow or process definitions that lead to the wrong parameters being passed.
  Custom Code: If there is custom code involved, it may not be handling the parameters correctly.
  Version Mismatch: If there are updates or changes in the SAP system, the callback function may have changed, leading to discrepancies in the expected parameters.
  
  Solutions:
  
  Check Callback Function Definition: Review the definition of the callback function to ensure that it matches the expected number of arguments. Make sure that the function signature is correct.
  Review Workflow Configuration: Go through the workflow or process configuration to ensure that all parameters are being passed correctly. Look for any discrepancies in the expected and actual parameters.
  Debugging: Use debugging tools to trace the execution of the workflow and identify where the incorrect number of arguments is being passed. This can help pinpoint the exact location of the issue.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of the tools you are using. There may be known issues or updates that address this error.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as these may resolve known issues related to callback functions.
  Custom Code Review: If there is custom code involved, review it to ensure that it is correctly handling the parameters and that there are no logical errors.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific notes related to this error message. SAP frequently publishes notes that address known issues and provide solutions.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered the same issue and what solutions they have found.
  Documentation: Review the official SAP documentation for the specific module you are working with, as it may provide insights into the expected behavior of callback functions.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.