How To Fix WS863 - Doc. &1 already partially reversed, partner cancellation not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 863

• Message text: Doc. &1 already partially reversed, partner cancellation not possible

Self-Explanatory Message

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• What is the cause and solution for SAP error message WS863 - Doc. &1 already partially reversed, partner cancellation not possible ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WS863 Doc. &1 already partially reversed, partner cancellation not possible
  
  Cause:
  This error occurs when you attempt to perform a partner cancellation (partner reversal) for a document that has already been partially reversed. In SAP, a partner cancellation is a special type of reversal where the system automatically reverses the original document and its related partner document (e.g., invoice and credit memo). However, if the original document has already been partially reversed manually or by some other process, the system cannot perform the partner cancellation because the document is no longer in its original state.
  
  Explanation:
  
  Document &1 refers to the document number you are trying to reverse.
  The document has already undergone a partial reversal, meaning some items or amounts have been reversed, but not the entire document.
  Partner cancellation requires the original document to be fully intact (not partially reversed) to ensure consistency between the partner documents.
  Since the document is partially reversed, the system blocks the partner cancellation to avoid inconsistencies or duplicate reversals.
  
  
  Solution:
  
  
  Check the reversal status of the document:
  
  Use transaction codes like FB03 (Display Document) or FBL1N/FBL5N (Vendor/Customer Line Items) to check if the document has any reversal documents linked.
  Identify if the document has been partially reversed.
  
  
  
  Avoid partner cancellation for partially reversed documents:
  
  Since partner cancellation is not possible, you need to reverse the remaining open items manually.
  Perform manual reversal for the remaining amounts or items using FB08 (Document Reversal) or other relevant reversal transactions.
  
  
  
  If full reversal is required:
  
  Reverse all partial reversals first (if possible) or clear the open items.
  Then, perform the reversal manually for the entire document and its partner document separately.
  
  
  
  Consult with Finance/Accounting team:
  
  Ensure that the reversal process aligns with your company’s accounting policies.
  Sometimes, partial reversals are intentional and should be handled carefully.
  
  
  
  
  Related Information:
  
  Partner Cancellation: A process in SAP where the system reverses both the original document and its partner document simultaneously to maintain consistency.
  Partial Reversal: When only part of a document (some line items or amounts) is reversed, leaving the rest intact.
  Transaction Codes:
  
  FB08: Reverse Document
  FBRA: Reset Cleared Items (if needed)
  FB03: Display Document
  FBL1N/FBL5N: Vendor/Customer Line Item Display
  
  
  SAP Notes: Check SAP OSS notes for any specific patches or updates related to partner cancellation issues.
  
  
  If you need further assistance, please provide the document number and the transaction you are using to perform the reversal.