How To Fix CNVMBTCHECK026 - &1| The selection-field &2 does not exist in top level structure.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVMBTCHECK - Messages for PCL Checks

• Message number: 026

• Message text: &1| The selection-field &2 does not exist in top level structure.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNVMBTCHECK026 - &1| The selection-field &2 does not exist in top level structure. ?

  The SAP error message CNVMBTCHECK026 typically occurs during data migration or conversion processes, particularly when using the SAP Migration Cockpit or similar tools. This error indicates that a selection field specified in the migration or conversion process does not exist in the top-level structure of the data model being used.
  Cause:
  
  Field Mismatch: The field specified in the selection criteria does not exist in the target structure or the mapping configuration.
  Incorrect Mapping: The mapping of fields between the source and target structures may not be correctly defined, leading to references to non-existent fields.
  Version Issues: The version of the data model or migration tool being used may not support the specified field.
  Configuration Errors: There may be configuration issues in the migration project that lead to incorrect field references.
  
  Solution:
  
  Check Field Existence: Verify that the field specified in the error message actually exists in the top-level structure of the target data model. You can do this by checking the data model definitions in the SAP system.
  Review Mapping Configuration: Go through the mapping configuration to ensure that all fields are correctly mapped from the source to the target structure. Make sure that the field names and types match.
  Update Migration Project: If you are using a migration project, ensure that it is up to date and that all necessary fields are included in the project configuration.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using to ensure that you are following the correct procedures and that the fields you are trying to use are supported.
  Test with Sample Data: If possible, test the migration with a smaller set of sample data to isolate the issue and confirm that the mapping works as expected.
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more specific guidance based on your system configuration.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for data migration.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.