How To Fix CNV_PE620 - Parameter &1 is already assigned as a link parameter

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 620

• Message text: Parameter &1 is already assigned as a link parameter

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE620 - Parameter &1 is already assigned as a link parameter ?

  The SAP error message "CNV_PE620 Parameter &1 is already assigned as a link parameter" typically occurs during data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or other data migration tools. This error indicates that a parameter you are trying to assign is already linked to another parameter, which can lead to conflicts in the data processing logic.
  Cause:
  
  Duplicate Assignment: The parameter you are trying to assign has already been assigned as a link parameter in the current context. This can happen if the same parameter is being used in multiple places or if there is an attempt to create a circular reference.
  Configuration Issues: There may be issues in the configuration of the data migration project, where parameters are not properly defined or are conflicting with each other.
  Data Model Conflicts: If the data model being used for the migration has overlapping or conflicting definitions, it can lead to this error.
  
  Solution:
  
  Check Parameter Assignments: Review the parameters in your migration project to ensure that the parameter in question is not already assigned elsewhere. You may need to remove or modify the existing assignment.
  Modify Data Model: If the error is due to conflicts in the data model, consider revising the model to eliminate overlapping definitions or circular references.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using to understand the correct usage of parameters and how to avoid conflicts.
  Debugging: If you have access to debugging tools, you can trace the execution to see where the parameter is being assigned and identify the source of the conflict.
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide guidance based on the specific context of your migration project.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  Training and Documentation: Ensure that you and your team are familiar with the tools and processes involved in data migration, as this can help prevent similar issues in the future.
  
  By following these steps, you should be able to resolve the CNV_PE620 error and proceed with your data migration or conversion tasks.