How To Fix /SCWM/RF_EN366 - Ext. TU not unique; use internal TU or door

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/RF_EN -

• Message number: 366

• Message text: Ext. TU not unique; use internal TU or door

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/RF_EN366 - Ext. TU not unique; use internal TU or door ?

  The SAP error message /SCWM/RF_EN366 Ext. TU not unique; use internal TU or door typically occurs in the context of SAP Extended Warehouse Management (EWM) when dealing with handling units (HUs) and transportation units (TUs). This error indicates that the external transportation unit (TU) you are trying to use is not unique in the system, which means that there are multiple entries for the same external TU.
  Cause:
  
  
  Non-Unique External TU: The external transportation unit you are trying to reference is not unique in the system. This can happen if:
  
  The same external TU number is being used for multiple TUs.
  There are duplicate entries in the system for the same external TU.
  
  
  
  Incorrect Configuration: The system may not be configured to handle external TUs properly, leading to conflicts.
  
  
  Data Integrity Issues: There may be issues with the data integrity in the system, such as incorrect or incomplete data entries.
  
  
  Solution:
  
  
  Use Internal TU or Door: The error message suggests using an internal transportation unit (TU) or a door instead of the external TU. This means you should either:
  
  Switch to using an internal TU that is unique.
  Specify a door for the operation instead of the external TU.
  
  
  
  Check for Duplicates: Investigate the system for any duplicate entries of the external TU. You can do this by:
  
  Running reports or queries to identify all TUs associated with the external TU number.
  Deleting or correcting any duplicate entries.
  
  
  
  Review Configuration: Ensure that the system is configured correctly to handle external TUs. This may involve:
  
  Checking the settings in the EWM configuration for handling units and transportation units.
  Ensuring that the external TU numbers are being generated and managed correctly.
  
  
  
  Data Cleanup: If there are data integrity issues, consider performing a data cleanup to remove or correct any erroneous entries related to TUs.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for more detailed guidance on handling TUs and resolving related errors.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with relevant transaction codes in EWM that can help you manage TUs and HUs, such as /SCWM/PRDI for managing handling units.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to resolve the error and ensure that your warehouse operations can proceed smoothly.