How To Fix BT866 - Default selection "_DEFAULT" cannot be changed

BT866 - Overview

• Message type: E = Error

• Message class: BT - Background processing messages

• Message number: 866

• Message text: Default selection "_DEFAULT" cannot be changed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message BT866 - Default selection "_DEFAULT" cannot be changed ?

  The SAP error message BT866, which states "Default selection '_DEFAULT' cannot be changed," typically occurs in the context of Business Transaction (BT) or Business Object (BO) configurations. This error indicates that the system is trying to modify a default selection that is not allowed to be changed.
  
  Cause:
  
  Default Selection Lock: The default selection "_DEFAULT" is a predefined setting in SAP that is locked for changes. This is often done to maintain system integrity and ensure that the default behavior remains consistent across the application.
  
  Configuration Issues: There may be a misconfiguration in the settings related to Business Transactions or Business Objects, leading to attempts to modify a default selection.
  User Permissions: The user may not have the necessary permissions to change certain settings, which can lead to this error.
  
  
  Solution:
  
  Check Configuration: Review the configuration settings for the Business Transaction or Business Object in question. Ensure that you are not trying to change a default