How To Fix TO087 - Attribute &1 can only be assigned once per request

SAP Error Message - Details

• Message type: E = Error

• Message class: TO - Transport Organizer and Tools

• Message number: 087

• Message text: Attribute &1 can only be assigned once per request

What causes this issue?

The attribute &V1& can only be assigned once per request. However, in
the attribute list it appears more than once.

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?

If you are changing the attributes of a request then remove this
attribute until it only appears once.
If you are merging two requests, make sure that the attribute only
appears once in total in both requests.

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 TO087 - Attribute &1 can only be assigned once per request ?

  The SAP error message TO087, which states "Attribute &1 can only be assigned once per request," typically occurs in the context of handling transport requests in SAP. This error indicates that a specific attribute (represented by &1) is being assigned multiple times within the same transport request, which is not allowed.
  Cause:
  The error is usually caused by one of the following scenarios:
  
  Duplicate Assignments: The same attribute (like a transport object or a change) is being added multiple times to the same transport request.
  Configuration Issues: There may be a misconfiguration in the transport management system or the way objects are being handled in the transport request.
  Development Errors: In some cases, developers might inadvertently include the same object or attribute multiple times in the transport request.
  
  Solution:
  To resolve the TO087 error, you can follow these steps:
  
  
  Check Transport Request:
  
  Open the transport request in question and review the list of objects or attributes assigned to it.
  Look for any duplicates and remove any repeated entries.
  
  
  
  Use Transaction SE01:
  
  Use transaction SE01 (Transport Organizer) to manage transport requests.
  You can analyze the transport request and see the objects included. Remove any duplicates.
  
  
  
  Review Change Logs:
  
  If you are unsure where the duplicates are coming from, check the change logs or history of the transport request to identify when and how the duplicates were added.
  
  
  
  Recreate Transport Request:
  
  If the issue persists and you cannot find the duplicates, consider creating a new transport request and carefully adding the required objects one by one to avoid duplication.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to transport management for any specific guidelines or updates that might address this issue.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a recurring problem.
  
  
  
  Related Information:
  
  Transport Management System (TMS): Understanding how TMS works can help in managing transport requests effectively.
  SAP Notes: Check for any relevant SAP Notes that might provide additional insights or fixes related to this error.
  Best Practices: Follow best practices for managing transport requests, such as keeping them organized and avoiding unnecessary changes in a single request.
  
  By following these steps, you should be able to identify and resolve the cause of the TO087 error in your SAP system.