How To Fix PM138 - Reversal of coll.pmnt request &1 not possible; already been reversed

PM138 - Overview

• Message type: E = Error

• Message class: PM - Extended Payment Functions

• Message number: 138

• Message text: Reversal of coll.pmnt request &1 not possible; already been reversed

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 PM138 - Reversal of coll.pmnt request &1 not possible; already been reversed ?

  The SAP error message PM138 indicates that a reversal of a collective payment request (coll.pmnt request) is not possible because it has already been reversed. This error typically occurs in the context of payment processing within the SAP system, particularly in the area of Financial Accounting (FI) or Accounts Payable (AP).
  
  Cause:
  
  
  Duplicate Reversal Attempt: The most common cause of this error is that the user is attempting to reverse a payment request that has already been reversed. In SAP, once a reversal is processed, the system marks that transaction as completed, and any further attempts to reverse it will trigger this error.
  
  
  Incorrect Document Status: The payment request may have already been processed or marked in a way that prevents further reversals. This could be due to subsequent transactions that have been posted against it.
  
  
  User Error: The user may be trying to reverse the wrong payment request or may not have the