How To Fix BSP_DYN_MSG_DESIGN018 - UI object type &1 already exists as generic UI object type

SAP Error Message - Details

• Message type: E = Error

• Message class: BSP_DYN_MSG_DESIGN - Messages for DESIGN

• Message number: 018

• Message text: UI object type &1 already exists as generic UI object type

What causes this issue?

The UI Object Type &V1& already exists as generic UI object type.

System Response

Data is not saved.

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?

There is a Generic UI Object Type &V1& used in Design Layer settings to
define Reference Design Objects. UI Object Types and Generic UI Object
Type are required to have different identifiers. Choose another
identifier for the UI Object Type or change the identifier of the
Generic Object Type.

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 BSP_DYN_MSG_DESIGN018 - UI object type &1 already exists as generic UI object type ?

  The SAP error message BSP_DYN_MSG_DESIGN018 indicates that there is an attempt to create or define a UI object type that already exists as a generic UI object type in the system. This typically occurs in the context of SAP Business Server Pages (BSP) or Web Dynpro applications where UI components are being defined or modified.
  Cause:
  
  Duplicate Definition: The error is primarily caused by trying to create a new UI object type with a name that is already in use by an existing generic UI object type.
  Namespace Conflicts: If the naming conventions or namespaces are not properly managed, it can lead to conflicts where two different components are trying to use the same name.
  Development Environment Issues: Sometimes, issues in the development environment, such as transport problems or inconsistencies in the repository, can lead to this error.
  
  Solution:
  
  Check Existing UI Object Types: Verify the existing UI object types in the system. You can do this by navigating to the relevant transaction (like SE80 for Object Navigator) and checking the definitions of UI components.
  Rename the New Object: If you are trying to create a new UI object type, consider renaming it to something unique that does not conflict with existing types.
  Use Unique Namespaces: Ensure that you are using unique namespaces for your custom developments to avoid conflicts with standard SAP objects or other custom objects.
  Transport Management: If this issue arises after a transport, ensure that all objects have been properly transported and that there are no inconsistencies in the development and production environments.
  Clear Cache: Sometimes, clearing the cache of the BSP application can help resolve issues related to object definitions. You can do this by using transaction SICF to refresh the BSP application.
  Check for Active Versions: Ensure that there are no active versions of the object that might be causing the conflict. You can check this in the object management transactions.
  
  Related Information:
  
  BSP and Web Dynpro Documentation: Familiarize yourself with the SAP documentation on BSP and Web Dynpro to understand the best practices for naming conventions and object management.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to resolve the BSP_DYN_MSG_DESIGN018 error and successfully manage your UI object types in SAP.