How To Fix /SCMTMS/UI_MESSAGES356 - Can't change user/role assignment; layout &1 is used for switch in &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMTMS/UI_MESSAGES -

• Message number: 356

• Message text: Can't change user/role assignment; layout &1 is used for switch in &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMTMS/UI_MESSAGES356 - Can't change user/role assignment; layout &1 is used for switch in &2 ?

  The SAP error message /SCMTMS/UI_MESSAGES356 indicates that there is an issue with changing user or role assignments in the SAP Transportation Management System (TM). The specific message states that the layout identified by &1 is being used for a switch in &2, which prevents modifications to the user or role assignments.
  Cause:
  
  Layout Usage: The layout you are trying to modify is currently in use for a specific switch or configuration in the system. This means that the layout is locked or restricted from changes because it is tied to a particular operational context or configuration.
  Role Assignment Restrictions: The user or role you are trying to assign may have restrictions based on the current configuration of the system or the layout being used.
  
  Solution:
  
  Identify the Layout: Determine which layout (&1) is causing the issue and check its current usage in the system. You can do this by navigating to the relevant configuration settings in SAP TM.
  Check Switch Configuration: Look into the switch (&2) that is associated with the layout. You may need to review the configuration settings to see if the layout can be released or modified.
  Change Layout: If possible, switch to a different layout that is not currently in use for the switch, allowing you to make the necessary changes to user or role assignments.
  Consult Documentation: Review SAP documentation or notes related to user and role assignments in TM to ensure you are following the correct procedures.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is impacting critical business processes.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP TM that may help you navigate user and role assignments, such as /SCMTMS/USER for user management.
  Authorization Checks: Ensure that you have the necessary authorizations to make changes to user and role assignments.
  System Configuration: Review the overall configuration of your SAP TM system, as certain settings may impact how layouts and user roles are managed.
  
  By following these steps, you should be able to address the error message and make the necessary changes to user or role assignments in SAP TM.