How To Fix ON129 - List was newly generated

ON129 - Overview

• Message type: E = Error

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

• Message number: 129

• Message text: List was newly generated

What causes this issue?

You have chosen Edit->Refresh. The object types were read again from
the database and the relationship environment display was newly set up.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message ON129 - List was newly generated ?

  The SAP error message ON129, which states "List was newly generated," typically occurs in the context of generating reports or lists in SAP. This message is not necessarily an error but rather an informational message indicating that the list you are trying to access has been regenerated or refreshed.
  
  Cause:
  
  
  List Refresh: The message appears when a report or list is generated anew, which can happen due to various reasons such as:
  
  Changes in the underlying data.
  User actions that trigger a refresh (e.g., changing selection criteria).
  Scheduled jobs that regenerate reports.
  
  
  
  User Interaction: If a user has made changes to the selection criteria or parameters and then executed the report, the system will regenerate the list based on the new criteria.
  
  
  
  Solution:
  
  
  Review the List: Since this is an informational message, you can simply review the newly generated list to ensure it meets your expectations.
  
  
  Check Selection Criteria: If you were expecting a different result, double-check the selection