How To Fix NOTE020 - Internal: Unknown function code passed

SAP Error Message - Details

• Message type: E = Error

• Message class: NOTE - Status and note messages

• Message number: 020

• Message text: Internal: Unknown function code passed

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.

Unfortunately, there isn't any extra information in this error notice.

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message NOTE020 - Internal: Unknown function code passed ?

  The SAP error message "NOTE020 Internal: Unknown function code passed" typically indicates that there is an issue with the function code being used in a transaction or program. This error can arise from various causes, and understanding the context in which it occurs is essential for troubleshooting.
  Causes:
  
  Invalid Function Code: The function code being passed to the program or transaction is not recognized by the system. This could be due to a typo or an outdated function code.
  Custom Development Issues: If there are custom programs or enhancements, they may be passing incorrect or unsupported function codes.
  Missing Authorizations: Sometimes, the user may not have the necessary authorizations to execute certain function codes, leading to this error.
  System Configuration Issues: Changes in system configuration or updates may lead to certain function codes becoming obsolete or modified.
  Transport Issues: If there have been recent transports of changes, they may not have been properly imported or may have introduced inconsistencies.
  
  Solutions:
  
  Check Function Code: Verify the function code being used in the transaction or program. Ensure it is valid and correctly spelled.
  Review Custom Code: If the error occurs in a custom program, review the code to ensure that it is correctly handling function codes. Debugging may be necessary to identify where the issue arises.
  Authorization Check: Ensure that the user has the necessary authorizations to execute the function code. This can be checked in transaction SU53 or by consulting with your security team.
  System Logs: Check the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. Sometimes, SAP releases notes that provide fixes or workarounds for known issues.
  Consult SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including transaction codes, user roles, and any recent changes made to the system.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the transaction codes related to the function you are trying to execute. This can help in identifying if the function code is indeed valid.
  Debugging: Use the ABAP debugger to step through the code if you have access to it. This can help pinpoint where the function code is being incorrectly handled.
  Documentation: Review any relevant documentation or user manuals for the specific transaction or program to ensure that you are using it correctly.
  
  By following these steps, you should be able to identify the cause of the "NOTE020 Internal: Unknown function code passed" error and implement a suitable solution.