How To Fix CNV20400040 - Table &1 was excluded from Conversion

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20400 - Message class CNV20400

• Message number: 040

• Message text: Table &1 was excluded from Conversion

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20400040 - Table &1 was excluded from Conversion ?

  The SAP error message CNV20400040, which states "Table &1 was excluded from Conversion," typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or the SAP S/4HANA Migration Cockpit. This message indicates that a specific table (denoted by &1) has been excluded from the conversion process for some reason.
  Causes:
  
  Configuration Settings: The table may have been explicitly excluded from the conversion in the configuration settings of the migration tool.
  Data Integrity Issues: There may be data integrity issues or constraints that prevent the table from being converted.
  Unsupported Table: The table might not be supported for conversion due to its structure or the type of data it holds.
  Custom Tables: If the table is a custom table, it may not be included in the standard conversion process.
  Missing Mapping: There may be a lack of mapping defined for the fields in the table, leading to its exclusion.
  
  Solutions:
  
  Check Configuration: Review the configuration settings in the migration tool to ensure that the table is not marked for exclusion. You may need to adjust the settings to include the table.
  Data Validation: Validate the data in the table to ensure there are no integrity issues. Clean up any problematic records that may prevent conversion.
  Mapping Definition: Ensure that there is a proper mapping defined for the fields in the table. If necessary, create or adjust the mapping to include the table in the conversion.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using to understand the requirements and limitations regarding the table in question.
  Custom Development: If the table is a custom table, you may need to develop a custom migration solution or use a different approach to migrate the data.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on handling excluded tables during conversion.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its capabilities, as it provides tools and guidelines for data migration.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions or experiences.
  
  By following these steps, you should be able to identify the cause of the exclusion and take appropriate action to resolve the issue.