How To Fix KWUI026 - Internal overflow; restart the application

KWUI026 - Overview

• Message type: E = Error

• Message class: KWUI - Messages for KW UI Controls and Dialogs

• Message number: 026

• Message text: Internal overflow; restart the application

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 KWUI026 - Internal overflow; restart the application ?

  The SAP error message KWUI026, which states "Internal overflow; restart the application," typically indicates that there is an internal processing issue within the SAP system. This error can occur due to various reasons, including:
  Causes:
  
  Memory Limitations: The application may be trying to process more data than the allocated memory can handle, leading to an overflow.
  Data Volume: Large datasets or complex calculations can exceed the system's processing capabilities.
  
  Configuration Issues: Incorrect settings in the SAP system or application configuration can lead to unexpected behavior.
  Software Bugs: There may be bugs in the SAP application or the underlying code that cause the overflow.
  Database Issues: Problems with the database, such as corruption or misconfiguration, can also lead to this error.
  
  Solutions:
  
  Restart the Application: As the error message suggests, restarting the application can sometimes resolve temporary issues.
  Check System Resources: Monitor the system's memory and CPU usage. If resources are low, consider increasing them or optimizing the application.
  Reduce Data