How To Fix AJ670 - Billing doc. &1 not reversable by EA21 (invoicing doc. &2 reversed w. &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 670

• Message text: Billing doc. &1 not reversable by EA21 (invoicing doc. &2 reversed w. &3)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AJ670 - Billing doc. &1 not reversable by EA21 (invoicing doc. &2 reversed w. &3) ?

  The SAP error message AJ670 indicates that a billing document cannot be reversed using transaction EA21 because it has already been reversed with another document. This typically occurs in the context of billing and invoicing processes within SAP, particularly in the SAP Convergent Charging or SAP Convergent Invoicing modules.
  
  Cause:
  
  Previous Reversal: The billing document you are trying to reverse has already been reversed using a different document. This means that the system has already processed a reversal for that billing document, and it cannot be reversed again using the same method.
  Document Status: The status of the billing document may not allow for further reversals. For example, if the document is already marked as reversed or completed, the system will prevent further actions.
  Invoicing Document: The invoicing document associated with the billing document may have been processed in a way that restricts further reversals.
  
  
  Solution:
  
  Check Document History: Review the history of the billing document