How To Fix M9001 - Function code & not defined here

SAP Error Message - Details

• Message type: E = Error

• Message class: M9 - Logistics Information System: Planning Data

• Message number: 001

• Message text: Function code & not defined here

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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Smart SAP Assistant

• What is the cause and solution for SAP error message M9001 - Function code & not defined here ?

  The SAP error message M9001, which states "Function code & not defined here," typically indicates that the system is trying to execute a function code that is not recognized or defined in the current context. This can occur in various scenarios, such as when a user attempts to access a transaction or function that is not available in the current screen or module.
  Causes:
  
  Incorrect Function Code: The function code being called may be misspelled or incorrect.
  Authorization Issues: The user may not have the necessary authorizations to access the function code.
  Missing Configuration: The function code may not be configured in the system or may not be available in the current transaction.
  Custom Development: If the function code is part of a custom development, it may not be properly implemented or activated.
  Screen Variants: The function code may not be defined for the specific screen variant being used.
  
  Solutions:
  
  Check Function Code: Verify that the function code is correct and properly spelled. Ensure that it is intended for the current transaction or screen.
  User Authorizations: Check the user's authorization profile to ensure they have the necessary permissions to access the function code.
  Configuration Review: Review the configuration settings in the relevant module to ensure that the function code is defined and active.
  Debugging: If you have access to debugging tools, you can trace the execution to see where the function code is being called and why it is not recognized.
  Consult Documentation: Refer to SAP documentation or help resources to understand the context of the function code and its expected behavior.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to the error message.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the relevant transaction codes that may be associated with the function code in question.
  SAP Notes: Search for SAP Notes related to M9001 for any specific patches or updates that may address the issue.
  User Forums: Check SAP community forums or user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the cause of the M9001 error and implement a suitable solution.