How To Fix >1406 - Document &1 cannot be reversed because the PSP has already been informed.

SAP Error Message - Details

• Message type: E = Error

• Message class: >1 - Shockwave SAPGUI message handling

• Message number: 406

• Message text: Document &1 cannot be reversed because the PSP has already been informed.

Self-Explanatory Message

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• What is the cause and solution for SAP error message >1406 - Document &1 cannot be reversed because the PSP has already been informed. ?

  The SAP error message "1406 Document &1 cannot be reversed because the PSP has already been informed" typically occurs in the context of Project System (PS) when you attempt to reverse a document (like a financial document or a project-related transaction) that has already been communicated to the Project System (PS) or has been processed in a way that prevents reversal.
  Cause:
  
  Document Status: The document you are trying to reverse has already been processed, and the Project System has been informed about it. This means that the document is likely in a status that does not allow for reversal.
  Integration with Other Modules: The document may have implications in other modules (like Controlling, Financial Accounting, etc.) that prevent it from being reversed.
  PS Notifications: The Project System may have already received notifications or updates regarding the document, making it impossible to reverse it without addressing those notifications first.
  
  Solution:
  
  Check Document Status: Review the status of the document you are trying to reverse. Ensure that it is in a state that allows for reversal.
  Consult Project System: Check if there are any notifications or updates in the Project System related to the document. You may need to clear or address these before attempting a reversal.
  Use Correct Transaction: Ensure you are using the correct transaction code for reversal. Sometimes, using the wrong transaction can lead to such errors.
  Consult with Finance/Controlling Team: If the document is linked to financial transactions, consult with your finance or controlling team to understand the implications of reversing the document and whether it can be done.
  Manual Intervention: In some cases, manual intervention may be required to adjust the document status or to clear any notifications in the Project System.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP for document reversal (e.g., FB08 for financial documents).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide specific guidance or solutions for known problems.
  Documentation: Review SAP documentation related to Project System and document management for further insights into handling such errors.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP support team or consult with SAP directly for more in-depth troubleshooting.