How To Fix KO420 - Processing was terminated because there were too many messages

KO420 - Overview

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 420

• Message text: Processing was terminated because there were too many messages

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 KO420 - Processing was terminated because there were too many messages ?

  The SAP error message KO420, which states "Processing was terminated because there were too many messages," typically occurs in the context of the SAP system when a transaction or process generates an excessive number of messages. This can happen in various scenarios, such as during the execution of a batch job, a long-running transaction, or when there are many notifications or alerts being generated.
  
  Cause:
  
  Excessive Message Generation: The primary cause of this error is that the system has a limit on the number of messages that can be processed or displayed at one time. If a transaction generates more messages than this limit, the process will be terminated.
  Configuration Settings: The system may have specific configuration settings that define the maximum number of messages allowed. If these settings are too low for the volume of data being processed, it can lead to this error.
  Long-running Processes: If a process takes too long to