How To Fix /SCMTMS/PLN_VSR_OL389 - Assignment not possible; cannot change dest. location of preceding stage

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMTMS/PLN_VSR_OL -

• Message number: 389

• Message text: Assignment not possible; cannot change dest. location of preceding stage

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMTMS/PLN_VSR_OL389 - Assignment not possible; cannot change dest. location of preceding stage ?

  The SAP error message /SCMTMS/PLN_VSR_OL389 Assignment not possible; cannot change dest. location of preceding stage typically occurs in the context of SAP Transportation Management (TM) when there is an issue with the assignment of destination locations in a transportation planning scenario. This error indicates that the system is unable to change the destination location of a preceding stage in a transportation process, which can disrupt the planning and execution of transportation activities.
  Causes:
  
  Inconsistent Data: The destination location of a preceding stage may be inconsistent with the current planning data or the overall transportation process.
  Dependencies: There may be dependencies between stages that prevent changes to the destination location of a preceding stage.
  Locked Objects: The object or data being modified may be locked by another user or process, preventing changes.
  Configuration Issues: There may be configuration settings in SAP TM that restrict changes to certain stages or locations.
  Incomplete Master Data: Missing or incomplete master data related to locations, routes, or transportation lanes can lead to this error.
  
  Solutions:
  
  Check Dependencies: Review the transportation process to identify any dependencies between stages. Ensure that changes to the destination location do not violate these dependencies.
  Unlock Objects: If the object is locked, check with other users or processes to unlock it before making changes.
  Review Configuration: Check the configuration settings in SAP TM to ensure that they allow for the desired changes. This may involve consulting with a system administrator or SAP consultant.
  Validate Master Data: Ensure that all relevant master data (locations, routes, transportation lanes) is complete and accurate. Update any missing or incorrect data.
  Use Transaction Codes: Utilize relevant transaction codes (like /SCMTMS/PLN for planning) to navigate to the transportation planning area and check for any issues.
  Consult Documentation: Refer to SAP documentation or notes related to transportation management for any specific guidelines or troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Training and Documentation: Review training materials or documentation related to SAP TM to better understand the planning process and how to manage destination locations effectively.
  
  If the issue persists after trying the above solutions, it may be beneficial to involve your SAP support team or a consultant with expertise in SAP TM for further investigation.