How To Fix SLS302 - An internal error occured in a tree control class.

SLS302 - Overview

• Message type: E = Error

• Message class: SLS - PAW - Message class

• Message number: 302

• Message text: An internal error occured in a tree control class.

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 SLS302 - An internal error occured in a tree control class. ?

  The SAP error message SLS302, which states "An internal error occurred in a tree control class," typically indicates that there is an issue with the tree control component in the SAP GUI or the underlying application. This error can arise due to various reasons, including:
  Causes:
  
  Corrupted SAP GUI Installation: The SAP GUI installation may be corrupted or not properly configured.
  Incompatible SAP GUI Version: The version of the SAP GUI may not be compatible with the SAP system you are trying to access.
  Data Issues: There may be issues with the data being processed, such as missing or corrupted entries.
  Memory Issues: Insufficient memory or resources on the client machine can lead to this error.
  Custom Code or Add-ons: Custom developments or third-party add-ons may interfere with the standard functionality of the tree control.
  
  Solutions:
  
  Restart SAP GUI: Sometimes, simply restarting the SAP GUI can resolve temporary glitches.
  Check for Updates: Ensure that you are using the latest