How To Fix /BA1/F4_BASIS121 - &1 function not found

SAP Error Message - Details

• Message type: E = Error

• Message class: /BA1/F4_BASIS -

• Message number: 121

• Message text: &1 function not found

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 /BA1/F4_BASIS121 - &1 function not found ?

  The SAP error message /BA1/F4_BASIS121 &1 function not found typically indicates that the system is unable to locate a specific function module or method that is being called in the program or transaction you are using. This can occur for several reasons, including:
  Causes:
  
  Missing Function Module: The function module that is being called may not exist in the system. This could be due to a missing transport or an incomplete installation.
  Authorization Issues: The user may not have the necessary authorizations to access the function module.
  Incorrect Configuration: The system may be misconfigured, leading to the inability to find the function.
  Version Mismatch: If you are using a custom or third-party solution, it may not be compatible with the current version of SAP you are running.
  Transport Issues: If the function module was recently transported from another system, there may have been issues during the transport process.
  
  Solutions:
  
  Check Function Module Existence: Use transaction SE37 (Function Builder) to check if the function module exists. If it does not, you may need to create it or transport it from another system.
  Review 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.
  Check Configuration: Review the configuration settings related to the function module. Ensure that all necessary settings are correctly configured.
  Transport Logs: If the function module was recently transported, check the transport logs for any errors or warnings that may indicate issues during the transport.
  Debugging: If you have access to the ABAP code, you can debug the program to see where the function call is failing and gather more information about the context of the error.
  Consult Documentation: If the function module is part of a third-party solution or an add-on, consult the documentation or support resources for that solution.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide guidance on similar issues.
  Community Forums: SAP Community and other forums can be valuable resources for finding similar issues faced by other users and potential solutions.
  System Logs: Review system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.