How To Fix ATO_CUSTOMER159 - Transport request cannot be unassigned from item &1 of type &2.

SAP Error Message - Details

• Message type: E = Error

• Message class: ATO_CUSTOMER - ATO Messages for the End User

• Message number: 159

• Message text: Transport request cannot be unassigned from item &1 of type &2.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message ATO_CUSTOMER159 - Transport request cannot be unassigned from item &1 of type &2. ?

  The SAP error message ATO_CUSTOMER159 indicates that a transport request cannot be unassigned from a specific item of a certain type. This error typically arises in the context of transport management within SAP, where changes made in the development environment need to be transported to other environments (like quality assurance or production).
  Cause:
  
  Transport Request Status: The transport request may be in a status that does not allow unassignment. For example, if the transport request is already released or has been imported into another system, it cannot be unassigned.
  Dependencies: There may be dependencies on the item that prevent it from being unassigned from the transport request.
  Item Type: The type of item (e.g., customizing, workbench) may have specific rules regarding transport requests that restrict unassignment.
  Authorization Issues: The user may not have the necessary authorizations to perform the unassignment operation.
  
  Solution:
  
  Check Transport Request Status: Verify the status of the transport request. If it is released or imported, you will need to create a new transport request for any further changes.
  Review Dependencies: Check if there are any dependencies or references to the item that might prevent unassignment. You may need to resolve these dependencies first.
  Use Correct Procedures: Ensure that you are following the correct procedures for unassigning items from transport requests. This may involve using specific transaction codes or following a particular workflow.
  Authorization Check: Ensure that you have the necessary authorizations to perform the unassignment. If not, contact your SAP administrator to obtain the required permissions.
  Consult Documentation: Refer to SAP documentation or notes related to transport management for any specific guidelines or restrictions regarding the item type in question.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE09 (Transport Organizer) and SE10 (Transport Organizer for Customizing).
  SAP Notes: Check for any SAP Notes that might address this specific error or provide additional context.
  Transport Management System (TMS): Understanding how TMS works can help in managing transport requests effectively.
  Change Management: Implementing a robust change management process can help prevent issues related to transport requests in the future.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.