How To Fix CNV_20100078 - Field content & of table & is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20100 - Messageclass for chart of account conversion

• Message number: 078

• Message text: Field content & of table & is unknown

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20100078 - Field content & of table & is unknown ?

  The SAP error message CNV_20100078, which states "Field content & of table & is unknown," 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 the system encountered a value in a specific field that it does not recognize or cannot map to the target structure.
  Causes:
  
  Invalid Data: The data being migrated may contain values that are not valid or do not exist in the target system.
  Mapping Issues: There may be a problem with the mapping configuration between the source and target systems, leading to unrecognized field values.
  Data Type Mismatch: The data type of the field in the source system may not match the expected data type in the target system.
  Missing Customization: If the target system has custom fields or values that are not present in the source system, this can lead to unknown field content.
  Inconsistent Data: The data in the source system may be inconsistent or not conforming to the expected format.
  
  Solutions:
  
  Data Validation: Review the data in the source system to ensure that all values are valid and conform to the expected formats. Correct any invalid entries.
  Mapping Configuration: Check the mapping configuration in the migration tool to ensure that all fields are correctly mapped and that there are no missing mappings.
  Data Type Alignment: Ensure that the data types in the source and target systems are compatible. If necessary, convert the data types before migration.
  Custom Fields: If the target system has custom fields, ensure that the corresponding values are included in the migration data. You may need to create or adjust mappings for these fields.
  Error Logs: Review the detailed error logs generated during the migration process to identify specific records or fields causing the issue. This can provide insights into what needs to be corrected.
  Testing: Conduct thorough testing of the migration process with a subset of data to identify and resolve issues before performing a full migration.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on data migration best practices.
  Migration Cockpit Documentation: Refer to the official SAP documentation for the Migration Cockpit or the specific migration tool you are using for detailed instructions and troubleshooting tips.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By addressing the underlying causes and following the suggested solutions, you should be able to resolve the CNV_20100078 error and successfully complete your data migration.