How To Fix /PF1/MSG_PO_P129 - Reversal reason &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_PO_P -

• Message number: 129

• Message text: Reversal reason &1 does not exist

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 /PF1/MSG_PO_P129 - Reversal reason &1 does not exist ?

  The SAP error message /PF1/MSG_PO_P129 with the description "Reversal reason &1 does not exist" typically occurs in the context of purchasing documents, particularly when trying to reverse a purchase order or a related document. This error indicates that the specified reversal reason (denoted by &1) is not defined in the system.
  Cause:
  
  Missing Configuration: The reversal reason you are trying to use has not been configured in the system. This could be due to a missing entry in the relevant customizing settings.
  Incorrect Input: The user may have entered an incorrect or invalid reversal reason code that does not exist in the system.
  Transport Issues: If the system has recently undergone changes or transports, the necessary configuration for the reversal reason may not have been transported correctly.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the SAP Customizing Implementation Guide (SPRO).
  Navigate to Materials Management > Purchasing > Purchase Order > Define Reversal Reasons.
  Verify if the reversal reason you are trying to use is listed. If it is not, you may need to create it.
  
  
  
  Correct Input:
  
  Double-check the reversal reason code you are entering. Ensure that it matches exactly with the codes defined in the system.
  If you are unsure of the valid codes, you can look them up in the configuration mentioned above.
  
  
  
  Consult Documentation:
  
  Review any documentation or notes related to the specific reversal reason you are trying to use. There may be specific business rules or conditions that apply.
  
  
  
  User Authorization:
  
  Ensure that the user has the necessary authorizations to use the reversal reason. Sometimes, authorization issues can lead to unexpected errors.
  
  
  
  Transport Check:
  
  If the issue arose after a recent transport, check if the transport included the necessary configuration for reversal reasons. If not, you may need to transport the missing configuration.
  
  
  
  Contact Support:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error message.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches related to this error message. SAP frequently releases notes that address specific issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME21N (Create Purchase Order), ME22N (Change Purchase Order), and ME23N (Display Purchase Order) to understand where the error occurs.
  Documentation: Review the SAP Help Portal for detailed documentation on purchasing processes and error handling.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.