How To Fix AG857 - TM system could not be determined

SAP Error Message - Details

• Message type: E = Error

• Message class: AG - Nachrichten ATP-Server

• Message number: 857

• Message text: TM system could not be determined

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AG857 - TM system could not be determined ?

  The SAP error message AG857, which states "TM system could not be determined," typically occurs in the context of SAP Transportation Management (TM) when the system is unable to identify the appropriate TM system for processing a transportation-related transaction. This can happen for various reasons, and here are some common causes, solutions, and related information:
  Causes:
  
  
  Configuration Issues: The TM system may not be properly configured in the SAP system. This includes missing or incorrect settings in the Customizing for Transportation Management.
  
  
  Master Data Issues: Missing or incorrect master data (such as transportation lanes, shipping points, or business partners) can lead to the system being unable to determine the TM system.
  
  
  Integration Issues: If there are issues with the integration between SAP ERP and SAP TM, it may prevent the system from identifying the TM system.
  
  
  Missing Authorizations: Users may not have the necessary authorizations to access the TM system, leading to this error.
  
  
  System Landscape Issues: If there are multiple systems in the landscape (e.g., multiple instances of SAP TM), the system may not be able to determine which one to use.
  
  
  Solutions:
  
  
  Check Configuration: Review the configuration settings in the SAP system for Transportation Management. Ensure that the TM system is correctly defined and that all necessary settings are in place.
  
  
  Verify Master Data: Ensure that all relevant master data is complete and accurate. Check transportation lanes, shipping points, and any other relevant data that may affect TM determination.
  
  
  Integration Settings: If you are using SAP ERP with SAP TM, check the integration settings. Ensure that the necessary RFC connections and settings are correctly configured.
  
  
  User Authorizations: Verify that the user encountering the error has the necessary authorizations to access the TM system. This may involve checking roles and permissions in the SAP system.
  
  
  System Landscape Review: If there are multiple TM systems, ensure that the correct one is being referenced in the configuration. You may need to adjust the settings to point to the appropriate TM instance.
  
  
  Check Logs: Review system logs and error messages for additional details that may provide insight into why the TM system could not be determined.
  
  
  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 for detailed configuration and integration guidelines.
  
  
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can provide insights or solutions.
  
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a consultant specializing in SAP TM for further assistance.