How To Fix WS531 - Fatal error in cross-application document numbering

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 531

• Message text: Fatal error in cross-application document numbering

What causes this issue?

You want to cancel a document or a document item. At least one item from
this document has already been set in a follow-on document and is still
active.

System Response

The system cannot cancel the document or item.

How to fix this error?

First ensure that the document either contains only active items (items
are not set in a follow-on document) or inactive items (items are set in
a follow-on document.)

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WS531 - Fatal error in cross-application document numbering ?

  The SAP error message WS531: Fatal error in cross-application document numbering typically occurs when there is a problem with the document number assignment in cross-application document processing. This error is related to the internal number range management in SAP, which is used to assign unique document numbers across different applications (such as FI, MM, SD).
  
  Cause
  
  Number Range Exhaustion or Inconsistency: The most common cause is that the number range object used for cross-application document numbering has run out of available numbers or is inconsistent.
  Number Range Buffer Issues: The number range buffer might be out of sync or corrupted.
  Customizing or Configuration Errors: Incorrect configuration of number ranges for cross-application documents.
  Locking or Update Problems: Issues with locking the number range during document creation, possibly due to system inconsistencies or update failures.
  Database or Transport Issues: Sometimes, transport or database inconsistencies can cause this error.
  
  
  Solution
  
  
  Check Number Range Status:
  
  Use transaction SNRO or SNUM to check the