How To Fix /SCMB/TMMD128 - Transportation Zone hierarchy could not be read

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMB/TMMD -

• Message number: 128

• Message text: Transportation Zone hierarchy could not be read

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMB/TMMD128 - Transportation Zone hierarchy could not be read ?

  The SAP error message /SCMB/TMMD128 Transportation Zone hierarchy could not be read typically occurs in the context of SAP Supply Chain Management (SCM) or SAP Transportation Management (TM). This error indicates that the system is unable to retrieve the transportation zone hierarchy, which is essential for various transportation planning and execution processes.
  Causes:
  
  Missing Configuration: The transportation zone hierarchy may not be configured correctly in the system.
  Authorization Issues: The user may not have the necessary authorizations to access the transportation zone hierarchy.
  Data Inconsistencies: There may be inconsistencies or missing data in the master data related to transportation zones.
  System Errors: There could be temporary system issues or bugs that prevent the hierarchy from being read.
  Transport Layer Issues: If the transport layer is not set up correctly, it may lead to issues in reading the hierarchy.
  
  Solutions:
  
  
  Check Configuration:
  
  Verify that the transportation zone hierarchy is properly configured in the system. This can be done by navigating to the relevant configuration settings in SAP SCM or TM.
  Ensure that all necessary transportation zones are defined and linked correctly.
  
  
  
  Review Authorizations:
  
  Check the user’s authorization profile to ensure they have the necessary permissions to access the transportation zone hierarchy.
  If needed, consult with your SAP security team to adjust the authorizations.
  
  
  
  Data Consistency Check:
  
  Perform a consistency check on the master data related to transportation zones. Ensure that all required data is present and correctly maintained.
  Use transaction codes like /SCMB/TMMD to check the configuration and data.
  
  
  
  System Logs and Traces:
  
  Check the system logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the issue.
  If necessary, enable debugging or traces to gather more information about the error.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any logs or screenshots.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SCMB/TMMD for managing transportation zones and hierarchies.
  Documentation: Review SAP documentation related to transportation management and zone configuration for best practices and troubleshooting tips.
  Community 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 identify the root cause of the error and implement a solution to resolve it.