How To Fix /SCWM/CCHECK270 - Check: do TUs exist with identical external number and carrier

/SCWM/CCHECK270 - Overview

• Message type: E = Error

• Message class: /SCWM/CCHECK -

• Message number: 270

• Message text: Check: do TUs exist with identical external number and carrier

Self-Explanatory Message

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/SCWM/CCHECK270 - Details

• The SAP error message /SCWM/CCHECK270 indicates that there are Transport Units (TUs) in the system that have identical external numbers and carriers. This situation can lead to confusion in logistics processes, as the system expects each TU to have a unique combination of external number and carrier.
  
  Cause:
  
  Duplicate External Numbers: The same external number has been assigned to multiple TUs, which can happen due to data entry errors or system integration issues.
  Carrier Duplication: The same carrier is associated with multiple TUs that share the same external number.
  Data Migration Issues: If data was migrated from another system, it’s possible that duplicates were introduced during the migration process.
  
  
  Solution:
  
  
  Identify Duplicates: Use transaction codes or reports in SAP to identify the TUs that have the same external number and carrier. You can use the following steps:
  
  Go to the relevant transaction (e.g., /SCWM/PRDI for displaying TUs).
  Filter or sort the TUs by external number and carrier to