How To Fix WS673 - Posting string &1 is not permitted; use only 'RE23' or 'RE28'

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 673

• Message text: Posting string &1 is not permitted; use only 'RE23' or 'RE28'

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message WS673 - Posting string &1 is not permitted; use only 'RE23' or 'RE28' ?

  SAP Error Message:
  WS673 Posting string &1 is not permitted; use only 'RE23' or 'RE28'
  
  
  Cause:
  This error occurs when you try to post a document or perform an action in SAP using a posting string (also called posting key or posting indicator) that is not allowed in the current context. The system expects only specific posting strings, in this case, 'RE23' or 'RE28', but a different or invalid posting string was entered or derived.
  
  Posting strings like RE23 and RE28 are typically related to specific transaction types or document types in SAP, often in the context of invoice verification, logistics invoice verification, or material document postings.
  The error indicates that the posting string you used is not valid for the operation you are trying to perform.
  This can happen due to:
  Incorrect configuration of posting keys or document types.
  Customization or user input error.
  Using a wrong transaction or process step that expects only certain posting strings.
  
  
  
  
  
  Solution:
  
  
  Check the