How To Fix ON109 - Redundancy indicators are displayed

ON109 - Overview

• Message type: E = Error

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

• Message number: 109

• Message text: Redundancy indicators are displayed

What causes this issue?

You have chosen Edit->Display on/off->Redundancy indicator. On this and
the following screens the object types will now be indicated which
appear repeatedly on the screen.
An object type appears repeatedly if it is part of several
relationships. If, for example, a class B inherits from a class A and
class A is associatively linked to a class C, then class A will appear
twice on the screen.

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.

ON109 - Details

• The SAP error message ON109, which states "Redundancy indicators are displayed," typically occurs in the context of the SAP system when dealing with master data, particularly in the area of material management or production planning. This message indicates that there are redundant indicators in the data that may lead to confusion or errors in processing.
  
  Cause:
  The redundancy indicators can arise due to several reasons:
  
  Duplicate Entries: There may be duplicate entries in the master data that are causing the system to flag redundancy.
  
  Configuration Issues: Incorrect configuration settings in the system can lead to the display of redundancy indicators.
  Data Migration Issues: If data has been migrated from another system, it may have brought in redundant or conflicting entries.
  Inconsistent Data: Inconsistencies in the data, such as overlapping validity periods or conflicting settings, can trigger this message.
  
  
  Solution:
  To resolve the ON109 error, you can take the following steps:
  
  
  Review Master Data: Check the relevant master data (e.g.,