DDLS490 - SQL view &1 for DDL source &4 in use; cannot be renamed as &2

SAP Error Message - Details

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 490

• Message text: SQL view &1 for DDL source &4 in use; cannot be renamed as &2

What causes this issue?

The CDS view extension <(>&<)>V4 contains an append view that you want
to rename from <(>&<)>V1 to <(>&<)>V2. This cannot be done here, since
the previous append view is referenced in the structure <(>&<)>V3.

System Response

The name check produces an error and nothing can be activated while the
previous append view <(>&<)>V1 is still in use.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DDLS490 - SQL view &1 for DDL source &4 in use; cannot be renamed as &2 ?

  The SAP error message DDLS490 indicates that there is an issue with renaming a SQL view in the Data Dictionary (DDLS) because the view is currently in use. This typically occurs when the SQL view you are trying to rename is being referenced or utilized by other database objects, such as tables, views, or programs.
  Cause:
  
  Active Dependencies: The SQL view you are trying to rename has active dependencies, meaning that other objects are referencing it.
  Open Sessions: There may be open sessions or transactions that are currently using the SQL view.
  Locks: The view might be locked by another user or process, preventing any changes.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Dependencies:
  
  Use transaction code SE11 (Data Dictionary) to check the dependencies of the SQL view. Look for any objects that are referencing the view.
  You can also use transaction SE80 (Object Navigator) to analyze the dependencies.
  
  
  
  Close Open Sessions:
  
  Ensure that there are no active sessions or transactions that are using the SQL view. You may need to communicate with other users or check for background jobs that might be using the view.
  
  
  
  Release Locks:
  
  If the view is locked, you can check for locks using transaction SM12 (Display and Delete Locks). Identify the lock entries related to the SQL view and release them if necessary.
  
  
  
  Rename in a Non-Production Environment:
  
  If possible, try to perform the rename operation in a development or test environment first to ensure that it does not cause issues.
  
  
  
  Use a Different Name:
  
  If renaming is not critical, consider using a different name for the new SQL view instead of renaming the existing one.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP Basis or ABAP team for any specific guidelines related to renaming database objects.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SE11: Data Dictionary
  SE80: Object Navigator
  SM12: Display and Delete Locks
  
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Version Considerations: Ensure that you are aware of the version of SAP you are using, as behavior may vary slightly between versions.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.