How To Fix NOTE020 - Internal: Unknown function code passed

NOTE020 - Overview

• 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.

What else can you do?

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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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

NOTE020 - Details

• 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 This could be due to a typo or an outdated function code.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