How To Fix PU817 - Specify a name unique in Change and Transport System

SAP Error Message - Details

• Message type: E = Error

• Message class: PU - Upgrade and Transport Log Messages

• Message number: 817

• Message text: Specify a name unique in Change and Transport System

What causes this issue?

The name &V1& is not unique in the Change and Transport System.
In particular areas of the Change and Transport system, transport user
names are generated on the basis of the user names. These are no longer
unique. This may reduce performance when working with the Change and
Transport system.

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?

Choose a user name that consists only of letters and the figures 0 to
9.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PU817 - Specify a name unique in Change and Transport System ?

  The SAP error message PU817 ("Specify a name unique in Change and Transport System") typically occurs when you are trying to create or modify an object in the Change and Transport System (CTS) and the name you have provided is not unique within the system. This can happen in various contexts, such as when creating transport requests, customizing objects, or other development activities.
  Cause:
  
  Duplicate Name: The name you are trying to use for a transport request, customizing object, or other entities already exists in the system.
  Namespace Conflicts: If you are using a specific namespace, there may be conflicts with existing objects in that namespace.
  Transport Layer Issues: Sometimes, issues with the transport layer configuration can lead to this error.
  
  Solution:
  
  Check Existing Names: Verify if the name you are trying to use is already in use. You can do this by searching for existing transport requests or objects in the relevant transaction (e.g., SE01 for transport requests).
  Use a Unique Name: Choose a different name that is not already in use. Ensure that it adheres to the naming conventions and is unique within the context of the Change and Transport System.
  Namespace Management: If you are working within a specific namespace, ensure that the name you are using does not conflict with existing objects in that namespace.
  Transport Layer Configuration: Check the transport layer settings to ensure that they are correctly configured and that there are no issues that might be causing the error.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on naming conventions and best practices within the Change and Transport System.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE01 (Transport Organizer), SE09 (Workbench Organizer), and SE10 (Customizing Organizer) to manage transport requests effectively.
  Transport Request Types: Understand the different types of transport requests (Workbench requests, Customizing requests) and their purposes.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message or provide additional troubleshooting steps.
  User Authorizations: Ensure that you have the necessary authorizations to create or modify transport requests, as lack of permissions can sometimes lead to unexpected errors.
  
  By following these steps, you should be able to resolve the PU817 error and successfully create or modify the required objects in the Change and Transport System.