How To Fix KO821 - Product cost collector conversion started in client &1

KO821 - Overview

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 821

• Message text: Product cost collector conversion started in client &1

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 KO821 - Product cost collector conversion started in client &1 ?

  The SAP error message KO821, which states "Product cost collector conversion started in client &1," typically occurs during the process of converting product cost collectors in the SAP system. This error can arise due to various reasons, and understanding the cause and potential solutions is essential for resolving the issue.
  
  Cause:
  
  Ongoing Conversion Process: The error often indicates that a conversion process for product cost collectors is already in progress in the specified client. This can happen if a previous conversion was not completed successfully or is still running.
  Locking Issues: The system may have locking mechanisms in place that prevent multiple conversion processes from running simultaneously.
  
  Configuration Issues: There may be configuration settings that are not correctly set up, leading to issues during the conversion process.
  
  
  Solution:
  
  
  Check Running Processes: 
  
  Use transaction code SM66 or SM50 to check if there are any active processes related to product cost collector conversion. If you find any, you