How To Fix /SCMTMS/UI_MESSAGES646 - Trailer unit &1 not found

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMTMS/UI_MESSAGES -

• Message number: 646

• Message text: Trailer unit &1 not found

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_MESSAGES646 - Trailer unit &1 not found ?

  The SAP error message /SCMTMS/UI_MESSAGES646 Trailer unit &1 not found typically occurs in the context of SAP Transportation Management (TM) when the system is unable to locate a specific trailer unit that is referenced in a transportation process. This can happen for various reasons, and understanding the cause and potential solutions can help resolve the issue.
  Causes:
  
  Incorrect Trailer Unit ID: The trailer unit ID referenced in the transaction may be incorrect or misspelled.
  Data Deletion: The trailer unit may have been deleted from the system or is no longer active.
  Authorization Issues: The user may not have the necessary authorizations to view or access the trailer unit.
  Configuration Issues: There may be configuration issues in the Transportation Management module that prevent the system from recognizing the trailer unit.
  Master Data Issues: The trailer unit may not have been properly set up in the master data, or it may not be assigned to the relevant transportation unit.
  
  Solutions:
  
  Verify Trailer Unit ID: Check the trailer unit ID for accuracy. Ensure that it is correctly entered and exists in the system.
  Check Master Data: Go to the master data for transportation units and verify that the trailer unit is correctly defined and active.
  Review Authorizations: Ensure that the user has the necessary authorizations to access the trailer unit. This may involve checking user roles and permissions.
  Check for Deletion: Confirm whether the trailer unit has been deleted or archived. If it has been deleted, you may need to recreate it or restore it from an archive if possible.
  Consult Configuration: Review the configuration settings in SAP TM to ensure that everything is set up correctly for trailer units.
  Use Transaction Codes: Utilize relevant transaction codes (like /SCMTMS/TRA_UNIT for trailer units) to check the status and details of the trailer unit in question.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Documentation: Refer to the official SAP documentation for Transportation Management to understand how trailer units are managed and configured.
  Support: If the issue persists, consider reaching out to SAP support or your internal IT team for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.