How To Fix /SCMTMS/TRQ356 - &1 item type cannot be changed once set

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMTMS/TRQ -

• Message number: 356

• Message text: &1 item type cannot be changed once set

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/TRQ356 - &1 item type cannot be changed once set ?

  The SAP error message /SCMTMS/TRQ356 &1 item type cannot be changed once set typically occurs in the context of SAP Transportation Management (TM). This error indicates that the item type for a specific transportation request or order has already been defined and cannot be modified afterward.
  Cause:
  
  Item Type Definition: In SAP TM, each item in a transportation request or order is assigned a specific item type (e.g., goods, services). Once this item type is set, it is locked to maintain data integrity and consistency.
  System Restrictions: The system is designed to prevent changes to the item type after it has been processed or saved to avoid inconsistencies in the transportation planning and execution processes.
  
  Solution:
  
  Review Item Type: Check the item type that has been set for the transportation request or order. If it is incorrect, you may need to create a new transportation request or order with the correct item type.
  Create New Item: If you need to change the item type, consider creating a new item with the desired type instead of trying to modify the existing one.
  Consult Documentation: Refer to the SAP documentation or help resources for guidance on item types and their implications in transportation management.
  Contact Support: If you believe this error is occurring inappropriately or if you need further assistance, consider reaching out to your SAP support team or consulting with an SAP expert.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with transaction codes related to transportation management, such as /SCMTMS/PRT for managing transportation requests.
  Customization: If your organization has customized the SAP TM module, ensure that the customizations are not causing this issue.
  
  By following these steps, you should be able to address the error and understand the limitations regarding item type changes in SAP TM.