How To Fix WS585 - No unique document number could be determined due to the entry

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 585

• Message text: No unique document number could be determined due to the entry

Self-Explanatory Message

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• What is the cause and solution for SAP error message WS585 - No unique document number could be determined due to the entry ?

  SAP Error Message:
  
  WS585 - No unique document number could be determined due to the entry
  
  Cause:
  This error occurs when SAP tries to identify a unique document number for a financial document but fails because the document number is not unique within the specified document type and company code. Essentially, SAP expects a unique combination of document number, document type, and company code to identify a document, but the system finds multiple entries or cannot determine a single unique document number based on the input data.
  Common scenarios causing this error include:
  
  Duplicate document numbers for the same document type and company code.
  Incorrect or missing data in the document header or line items.
  Posting attempts with incomplete or ambiguous reference data.
  Customizations or user exits that manipulate document numbers incorrectly.
  Issues during document reversal or clearing processes where the system cannot find a unique document to process.
  
  
  Solution:
  To resolve the WS585 error, consider the following steps:
  
  
  Check Document Number Uniqueness:
  
  Verify that the document number you are trying to post or reference is unique within the document type and company code.
  Use transaction codes like FB03 (Display Document) or FBL3N (G/L Account Line Items) to search for existing documents with the same number.
  
  
  
  Review Input Data:
  
  Ensure that all required fields (document type, company code, fiscal year, document number) are correctly entered.
  Check if any user input or interface is passing ambiguous or incomplete data.
  
  
  
  Check Number Ranges:
  
  Verify the number range intervals for the document type in transaction FBN1.
  Ensure that the number range is correctly assigned and not overlapping with other document types.
  
  
  
  Analyze Custom Code or User Exits:
  
  If custom enhancements or user exits are involved in document processing, review them for logic that might cause duplicate or ambiguous document numbers.
  
  
  
  Use SAP Notes and Support:
  
  Search for SAP Notes related to WS585 for your specific SAP version.
  Sometimes, patches or corrections are available if this is a known issue.
  
  
  
  Debugging:
  
  If you have development access, debug the program where the error occurs to identify why the system cannot determine a unique document number.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  FB03 - Display Document
  FBL3N - G/L Account Line Items
  FBN1 - Maintain Number Ranges for Accounting Documents
  FBRA - Reset Cleared Items (if related to clearing/reversal)
  
  
  
  SAP Notes:
  
  Check SAP Service Marketplace or SAP ONE Support Launchpad for notes mentioning WS585.
  
  
  
  Documentation:
  
  SAP Financial Accounting (FI) module documentation on document numbering and posting.
  SAP Help Portal for document management and number range configuration.
  
  
  
  
  Summary:
  The WS585 error indicates that SAP cannot find a unique document number due to duplicate or ambiguous entries. The solution involves verifying document number uniqueness, checking input data, reviewing number ranges, and analyzing any custom code affecting document processing. Proper configuration and data integrity are key to preventing this error.