How To Fix CNV_20900201 - Merge simulation results for mapping:

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20900 - Message class for package CNV_20900

• Message number: 201

• Message text: Merge simulation results for mapping:

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20900201 - Merge simulation results for mapping: ?

  The SAP error message CNV_20900201 typically relates to issues encountered during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates a problem with merging simulation results for mapping, which can occur during the data transformation or mapping phase of the migration.
  Cause:
  
  Data Mapping Issues: There may be inconsistencies or errors in the mapping configuration, such as incorrect field mappings or missing required fields.
  Duplicate Entries: The simulation results may contain duplicate entries that cannot be merged properly.
  Data Format Issues: The data being processed may not conform to the expected format, leading to issues during the merging process.
  Configuration Errors: There could be misconfigurations in the migration cockpit settings or in the mapping rules.
  Technical Limitations: The system may have limitations regarding the number of records or the complexity of the mapping logic.
  
  Solution:
  
  Review Mapping Configuration: Check the mapping rules and ensure that all fields are correctly mapped and that there are no missing or incorrect configurations.
  Check for Duplicates: Analyze the simulation results for duplicate entries and resolve any duplicates before attempting to merge.
  Validate Data Formats: Ensure that the data being processed adheres to the expected formats and types as defined in the mapping rules.
  Adjust Migration Settings: Review and adjust the settings in the migration cockpit to ensure they align with the requirements of your data migration.
  Run Simulation Again: After making the necessary adjustments, run the simulation again to see if the issue persists.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or updates that may address this specific error.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the Migration Cockpit and data migration processes for detailed guidance on mapping and configuration.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the steps you have taken to resolve it.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to successfully merge the simulation results for mapping.