How To Fix WS249 - Document category &1 of preceding document is not permitted

WS249 - Overview

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 249

• Message text: Document category &1 of preceding document is not permitted

Self-Explanatory Message

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WS249 - Details

• SAP Error Message:
  WS249 - Document category &1 of preceding document is not permitted
  
  
  Cause:
  This error occurs when you try to create a document that references a preceding document with a document category that is not allowed in the current business process or transaction. In SAP, certain document categories (e.g., invoice, credit memo, debit memo, etc.) are only permitted to follow or be referenced by specific preceding document categories. If the system detects that the preceding document's category is not valid for the current document type or transaction, it throws this error.
  For example, in Sales and Distribution (SD), when creating a billing document, the system checks the preceding document (like a delivery or sales order). If the document category of the preceding document is not allowed for the billing document type, this error appears.
  
  Typical Scenarios:
  
  Creating a billing document referencing a preceding document with an invalid category.
  Posting a document in Financial Accounting (FI)