How To Fix /SAPPCE/DPCM1842 - Change of tax code is not permitted since documents were already posted

/SAPPCE/DPCM1842 - Overview

• Message type: E = Error

• Message class: /SAPPCE/DPCM1 -

• Message number: 842

• Message text: Change of tax code is not permitted since documents were already posted

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 /SAPPCE/DPCM1842 - Change of tax code is not permitted since documents were already posted ?

  The SAP error message /SAPPCE/DPCM1842 Change of tax code is not permitted since documents were already posted typically occurs when there is an attempt to change the tax code in a document that has already been posted in the system. This is a common issue in financial accounting and controlling modules where tax codes are critical for proper accounting and reporting.
  
  Cause:
  
  Posted Documents: The primary cause of this error is that the document you are trying to change has already been posted. Once a document is posted, certain fields, including tax codes, are locked to maintain the integrity of the financial data.
  Document Type Restrictions: Some document types may have restrictions on changing tax codes after posting.
  Configuration Settings: The system may be configured to prevent changes to certain fields in posted documents to ensure compliance with accounting standards.
  
  
  Solution:
  
  
  Reverse the Document: If you need to change the tax code, the most straightforward solution