How To Fix ON124 - Selection of the redundant object types switched on or off

ON124 - Overview

• Message type: E = Error

• Message class: ON - Tools in area Object Modeler / Object Editor

• Message number: 124

• Message text: Selection of the redundant object types switched on or off

What causes this issue?

You have chosen->Select on/off->Redundant object types. On this and the
following screens all appearances of the object type which is currently
selected, or upon which the cursor is positioned, will now be displayed
as selected or unselected.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

No action is required. This is just for your information.

Error message extract from SAP system. Copyright SAP SE.

ON124 - Details

• The SAP error message ON124, which states "Selection of the redundant object types switched on or off," typically occurs in the context of object selection in SAP, particularly when dealing with redundant object types in a transaction or report. This message indicates that the system has detected a configuration or selection issue related to object types that are considered redundant.
  
  Cause:
  
  Redundant Object Types: The error usually arises when the system is configured to allow or disallow certain object types that are deemed redundant. This can happen if there are conflicting settings in the configuration or if the user is trying to select object types that are not compatible with the current operation.
  Configuration Settings: The settings in the relevant customizing transaction (like OBA5 for account determination) may have been changed, leading to the selection of object types that are not allowed.
  User Authorization: Sometimes, the user may not have the necessary authorizations to