How To Fix WS023 - Settlement document type & is not of category '&' or '&'

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 023

• Message text: Settlement document type & is not of category '&' or '&'

What causes this issue?

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

System Response

The system does not permit further processing of the document.

How to fix this error?

You have the following options:
Assign settlement document category &V2& or &V3& to the settlement
document type &V1&.
Change the assignment of settlement document type &V1& for the reversal
document to settlement document type &V4& in Customizing.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WS023 - Settlement document type & is not of category '&' or '&' ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WS023 Settlement document type & is not of category '&' or '&'
  
  
  Cause:
  This error occurs during the settlement process in SAP (e.g., when settling costs from a cost center, internal order, or project) because the system expects the settlement document type to belong to a specific category, but the document type assigned or used does not match the expected categories.
  
  The settlement process uses document types to control how the settlement postings are recorded in FI (Financial Accounting).
  Each settlement document type is assigned a category that defines its behavior (e.g., whether it is a vendor invoice, customer invoice, or general ledger document).
  If the settlement document type assigned to the settlement rule or settlement profile is not of the expected category, the system throws this error.
  
  
  Explanation of the Message Variables:
  
  The first & is the settlement document type being checked.
  The second and third