How To Fix M2431 - & : Program name or subroutine missing

SAP Error Message - Details

• Message type: E = Error

• Message class: M2 - LIS: Generating and updating info structures

• Message number: 431

• Message text: & : Program name or subroutine missing

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message M2431 - & : Program name or subroutine missing ?

  The SAP error message M2431, which states "Program name or subroutine missing," typically occurs in the context of Material Management (MM) or related modules when the system is unable to find a specified program or subroutine that is required for processing a transaction or executing a report.
  Causes:
  
  Missing or Incorrect Program Name: The program or subroutine specified in the transaction or report is either not defined or has been incorrectly referenced.
  Transport Issues: If the program was recently transported from a development environment to a production environment, it may not have been transported correctly.
  Authorization Issues: The user may not have the necessary authorizations to access the program or subroutine.
  System Configuration: There may be issues with the configuration settings in the SAP system that prevent the program from being recognized.
  Custom Code Issues: If there are custom developments or modifications, they may not be functioning correctly or may have been deleted.
  
  Solutions:
  
  Check Program/Subroutine Name: Verify that the program or subroutine name is correctly specified in the transaction or report. Ensure there are no typos or incorrect references.
  Transport Check: If the program was recently transported, check the transport logs to ensure that it was successfully imported into the target system. You may need to re-transport the program if it is missing.
  Authorization Check: Ensure that the user has the necessary authorizations to execute the program. You can check this in the user roles and profiles.
  Debugging: If you have access to debugging tools, you can try to debug the program to see where it fails and gather more information about the missing subroutine.
  Consult Documentation: Check the SAP documentation or notes related to the specific program or transaction to see if there are any known issues or patches available.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it involves standard SAP programs.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may want to check transaction codes related to the specific module (e.g., MM01 for material creation, ME21N for purchase orders).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide patches.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and their solutions.
  
  By following these steps, you should be able to identify the cause of the M2431 error and implement a solution.