How To Fix DT817 - The selected name & has already been assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 817

• Message text: The selected name & has already been assigned

What causes this issue?

You chose a name for the <DS:TX.APPEND-STRUKTUR>append structure</> or
<DS:TX.DDDOK_SHLP_APPEND>append search help</> to be created that
collides with the name of another object.

System Response

The object cannot be created with the given name.

How to fix this error?

Choose another name.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT817 - The selected name & has already been assigned ?

  The SAP error message DT817 ("The selected name & has already been assigned") typically occurs when you are trying to create or assign a name (such as a data element, domain, or other object) that has already been used in the system. This can happen in various contexts, such as when defining data elements, domains, or other objects in the Data Dictionary (DDIC).
  Cause:
  
  Duplicate Name: The name you are trying to use is already assigned to another object in the SAP system.
  Namespace Conflicts: If you are working in a development environment, there may be conflicts with names used in other packages or namespaces.
  Transport Issues: If you are transporting objects between systems, the name may already exist in the target system.
  
  Solution:
  
  Check Existing Objects: Use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to search for the name you are trying to use. This will help you identify if the name is already in use.
  Rename the Object: If the name is already taken, consider using a different name that adheres to your naming conventions.
  Namespace Management: If you are working in a development environment, ensure that you are using the correct namespace to avoid conflicts with other developers.
  Transport Management: If the issue arises during a transport, check the target system to see if the object already exists. You may need to adjust your transport request or delete the existing object if it is no longer needed.
  Consult Documentation: Review SAP documentation or consult with your SAP Basis or development team for best practices regarding naming conventions and object management.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and SE37 (Function Module) to manage and investigate objects.
  Naming Conventions: Follow your organization’s naming conventions to avoid conflicts and ensure clarity in object identification.
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to this error message.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP support team for further assistance.