How To Fix CNV_PE_MC020 - Selection expression is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_MC - Messages for Migration Cockpit context

• Message number: 020

• Message text: Selection expression is invalid

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_MC020 - Selection expression is invalid ?

  The SAP error message CNV_PE_MC020: Selection expression is invalid typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is an issue with the selection criteria defined in the migration process.
  Causes:
  
  Invalid Selection Criteria: The selection expression defined in the migration configuration may contain syntax errors or references to fields that do not exist in the target structure.
  Data Type Mismatch: The data types of the fields used in the selection criteria may not match the expected types in the target system.
  Missing Fields: The fields referenced in the selection expression may not be available in the source or target data structures.
  Logical Errors: There may be logical errors in the way the selection criteria are constructed, such as using unsupported operators or functions.
  
  Solutions:
  
  Review Selection Expression: Check the selection criteria defined in the migration configuration. Ensure that all fields referenced are valid and exist in the source and target structures.
  Correct Syntax: Make sure that the syntax of the selection expression is correct. Refer to the documentation for the correct format and operators.
  Data Type Validation: Verify that the data types of the fields used in the selection criteria are compatible with the expected types in the target system.
  Test with Simple Criteria: If the selection expression is complex, try simplifying it to isolate the issue. Start with basic criteria and gradually add complexity.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using for any known issues or guidelines regarding selection expressions.
  Check for Updates: Ensure that your SAP system is up to date with the latest support packages and notes, as there may be fixes related to this error.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific issues related to the CNV_PE_MC020 error. SAP frequently releases notes that address known issues and provide solutions.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific data migration tool you are using for best practices and examples of valid selection expressions.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues. They may provide insights or solutions based on their experiences.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.