How To Fix CNV_PE_IF_RT021 - Structure mapping: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_IF_RT - PE: Interfaces Runtime generation

• Message number: 021

• Message text: Structure mapping: &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_IF_RT021 - Structure mapping: &1 ?

  The SAP error message CNV_PE_IF_RT021, which indicates "Structure mapping: &1," typically arises during data migration or conversion processes, particularly when using SAP's data migration tools like the SAP S/4HANA Migration Cockpit or other conversion tools. This error suggests that there is an issue with the mapping of data structures between the source and target systems.
  Cause:
  
  
  Mapping Issues: The error often occurs when there is a mismatch in the data structure definitions between the source and target systems. This could be due to:
  
  Missing fields in the target structure that are present in the source.
  Data types that do not match between the source and target.
  Incorrectly defined mapping rules.
  
  
  
  Configuration Errors: If the configuration settings for the migration or conversion process are not set up correctly, it can lead to this error.
  
  
  Data Quality Issues: If the data being migrated contains inconsistencies or invalid entries that do not conform to the expected structure, it can trigger this error.
  
  
  Solution:
  
  
  Review Mapping Configuration: Check the mapping configuration in the migration tool. Ensure that all fields from the source structure are correctly mapped to the corresponding fields in the target structure.
  
  
  Adjust Data Structures: If there are discrepancies in the data structures, you may need to adjust the target structure to accommodate the source data. This could involve adding missing fields or changing data types.
  
  
  Data Validation: Validate the data in the source system to ensure it meets the requirements of the target structure. Clean up any inconsistencies or invalid entries.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using. There may be specific guidelines or requirements for mapping structures that you need to follow.
  
  
  Use SAP Notes: Check for any relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide solutions or workarounds for known issues.
  
  
  Testing: After making adjustments, perform a test migration to see if the error persists. This can help identify if further changes are needed.
  
  
  Related Information:
  
  SAP Migration Cockpit: Familiarize yourself with the SAP Migration Cockpit and its functionalities, as it provides tools for data migration and structure mapping.
  Data Migration Best Practices: Review best practices for data migration in SAP, which can help prevent common issues and ensure a smoother migration process.
  SAP Community and Forums: Engage with the SAP Community or forums where other users may have encountered similar issues. They can provide insights and solutions based on their experiences.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.