How To Fix IM146 - The view is only changeable if a reference object has not been assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: IM - Maintenance notifications

• Message number: 146

• Message text: The view is only changeable if a reference object has not been assigned

What causes this issue?

You tried to change the view of <DS:GLOS.Reference Object>Reference
Objects</>. However, this is not allowed as a reference object already
exists.

System Response

INCLUDE NO-FUNCTION OBJECT DOKU ID TX LANGUAGE DE

How to fix this error?

You can only change the view of the reference object, if <zh> no
</> reference object exists.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IM146 - The view is only changeable if a reference object has not been assigned ?

  The SAP error message IM146 ("The view is only changeable if a reference object has not been assigned") typically occurs in the context of managing views in the SAP system, particularly when dealing with master data or configuration settings. This error indicates that you are trying to make changes to a view that is linked to a reference object, which restricts modifications.
  Cause:
  The error arises when:
  
  You attempt to change a view that is already associated with a reference object (like a material, vendor, or customer).
  The system is designed to prevent changes to ensure data integrity and consistency, as the reference object may have dependencies or relationships that could be affected by the change.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Reference Objects: Identify the reference object that is currently assigned to the view. You can do this by navigating to the relevant transaction or using the appropriate report to view the details of the object.
  
  
  Remove Reference Assignment: If it is appropriate to do so, you may need to remove the reference assignment from the view. This can typically be done in the configuration settings or master data maintenance screen, depending on the specific context of the view.
  
  
  Create a New View: If the existing view cannot be modified due to the reference object, consider creating a new view that does not have the reference assignment. This allows you to make the necessary changes without affecting the existing data.
  
  
  Consult Documentation: Review the SAP documentation or help files related to the specific module you are working with. This can provide insights into the rules governing view changes and reference objects.
  
  
  Seek Help from SAP Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using transaction codes like MM01 (Create Material), MM02 (Change Material), or others related to master data management.
  Data Integrity: Understanding the importance of data integrity in SAP is crucial. Changes to views that are linked to reference objects can have cascading effects on other data and processes.
  User Permissions: Ensure that you have the necessary permissions to make changes to the views and reference objects. Sometimes, restrictions can be due to user roles and authorizations.
  
  By following these steps, you should be able to address the IM146 error and proceed with your tasks in SAP.