How To Fix /PM0/ABX_MESSAGES156 - No function module is assigned to business transaction ID '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ABX_MESSAGES -

• Message number: 156

• Message text: No function module is assigned to business transaction ID '&1'

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 /PM0/ABX_MESSAGES156 - No function module is assigned to business transaction ID '&1' ?

  The SAP error message /PM0/ABX_MESSAGES156 No function module is assigned to business transaction ID '&1' typically indicates that there is a missing configuration for a specific business transaction ID in the system. This error arises when the system attempts to process a business transaction but cannot find the corresponding function module that should handle it.
  Cause:
  
  Missing Configuration: The business transaction ID referenced in the error message does not have an associated function module defined in the system.
  Incorrect Business Transaction ID: The business transaction ID being used may be incorrect or not properly defined in the system.
  Custom Development: If the business transaction is part of a custom development, the function module may not have been created or properly linked.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the relevant configuration settings in SAP where business transaction IDs are defined. This is usually found in the customizing settings for the specific module you are working with (e.g., PM, MM, etc.).
  Ensure that the business transaction ID in question has a corresponding function module assigned to it.
  
  
  
  Assign Function Module:
  
  If the function module is missing, you may need to create a new function module or assign an existing one that is appropriate for the business transaction ID.
  Use transaction SE37 to create or modify function modules.
  
  
  
  Verify Business Transaction ID:
  
  Double-check the business transaction ID being used in the process to ensure it is correct and valid.
  You can use transaction codes like SE11 or SE80 to look up the business transaction ID and its configuration.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or notes related to the specific business transaction ID and its expected function module.
  
  
  
  Testing:
  
  After making the necessary changes, test the transaction again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE37 (Function Module), SE80 (Object Navigator), and SPRO (Customizing) to navigate through the configuration and development environment.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific business transaction ID or function module.
  Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.