How To Fix /SCMTMS/MC_TLOC_ASS420 - Reading of transportation zones for location selection failed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMTMS/MC_TLOC_ASS -

• Message number: 420

• Message text: Reading of transportation zones for location selection failed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMTMS/MC_TLOC_ASS420 - Reading of transportation zones for location selection failed ?

  The SAP error message /SCMTMS/MC_TLOC_ASS420 indicates that there was a failure in reading transportation zones for location selection in the SAP Transportation Management (TM) module. This error typically arises during the process of determining transportation zones for a specific location, which is crucial for planning and executing transportation processes.
  Causes:
  
  Configuration Issues: The transportation zones may not be properly configured in the system. This could include missing or incorrect entries in the relevant customizing settings.
  Master Data Issues: The location master data may be incomplete or incorrect. This includes missing transportation zone assignments for the locations involved.
  Authorization Issues: The user may not have the necessary authorizations to access the transportation zone data.
  Technical Issues: There could be underlying technical issues, such as database connectivity problems or issues with the transport management system itself.
  
  Solutions:
  
  
  Check Configuration:
  
  Verify the configuration of transportation zones in the SAP TM customizing settings. Ensure that all necessary transportation zones are defined and correctly assigned to the relevant locations.
  Navigate to the relevant customizing path in SPRO: Transportation Management -> Basic Settings -> Define Transportation Zones.
  
  
  
  Review Master Data:
  
  Check the master data for the locations involved. Ensure that the transportation zones are correctly assigned to the locations in question.
  Use transaction codes like BP (Business Partner) or LT01 (Location) to review and update the master data as necessary.
  
  
  
  Authorization Check:
  
  Ensure that the user encountering the error has the necessary authorizations to access transportation zone data. This may involve checking user roles and authorizations in transaction PFCG.
  
  
  
  Technical Troubleshooting:
  
  If the above steps do not resolve the issue, consider checking for any technical issues. This may involve reviewing system logs (transaction SLG1) for any related error messages or warnings.
  If necessary, consult with your SAP Basis team to check for any database or connectivity issues.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message. There may be patches or updates that resolve known issues related to transportation zones.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO for configuration, SLG1 for logs, and BP for business partner data.
  Documentation: Review SAP documentation related to Transportation Management for best practices in configuring transportation zones and managing master data.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the root cause of the error and implement the necessary solutions to resolve it.