How To Fix KO421 - Order &

KO421 - Overview

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 421

• Message text: Order &

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 KO421 - Order & ?

  The SAP error message KO421 typically relates to issues with order management in the Controlling (CO) module, specifically when dealing with internal orders. The error message KO421 usually indicates that there is a problem with the order status or the order itself, which prevents certain operations from being completed.
  Cause of KO421 Error
  The KO421 error can be caused by several factors, including:
  
  Order Status: The order may be in a status that does not allow the operation you are trying to perform (e.g., the order is closed or completed).
  Missing or Incorrect Data: There may be missing or incorrect data in the order that is required for processing.
  Authorization Issues: The user may not have the necessary authorizations to perform the action on the order.
  
  Configuration Issues: There may be configuration settings in the system that are preventing the operation from being completed.
  
  Solution to KO421 Error
  To resolve the KO421 error, you can take the following