How To Fix MIG_MESSAGE019 - &1 records were not migrated to KNA1

SAP Error Message - Details

• Message type: E = Error

• Message class: MIG_MESSAGE - Status messages for Migration Report

• Message number: 019

• Message text: &1 records were not migrated to KNA1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MIG_MESSAGE019 - &1 records were not migrated to KNA1 ?

  The SAP error message MIG_MESSAGE019 indicates that a certain number of records (denoted by &1) were not migrated to the KNA1 table, which is the master data table for customer information in SAP. This error typically occurs during data migration processes, such as when using the SAP Migration Cockpit or other data migration tools.
  Causes:
  
  
  Data Quality Issues: The records may contain invalid or incomplete data that does not meet the requirements for the KNA1 table. This could include missing mandatory fields, incorrect data formats, or invalid values.
  
  
  Duplicate Records: If there are duplicate entries in the source data that violate the uniqueness constraints of the KNA1 table, those records will not be migrated.
  
  
  Mapping Errors: Incorrect mapping of fields from the source data to the KNA1 fields can lead to migration failures.
  
  
  Configuration Issues: If the migration settings or configurations are not correctly set up, it can lead to errors during the migration process.
  
  
  Technical Errors: There may be underlying technical issues, such as database constraints or system performance problems, that prevent the records from being migrated.
  
  
  Solutions:
  
  
  Data Validation: Review the source data for completeness and correctness. Ensure that all mandatory fields are filled and that the data adheres to the required formats.
  
  
  Check for Duplicates: Identify and resolve any duplicate records in the source data. Ensure that each customer record is unique as per the requirements of the KNA1 table.
  
  
  Review Mapping: Verify the mapping of fields from the source data to the KNA1 fields. Ensure that all fields are correctly aligned and that there are no discrepancies.
  
  
  Error Logs: Check the migration logs for detailed error messages that can provide insights into why the records were not migrated. This can help pinpoint specific issues with the data.
  
  
  Configuration Review: Ensure that the migration tool is properly configured. Review the settings and parameters used during the migration process.
  
  
  Testing: Conduct a test migration with a smaller subset of data to identify potential issues before performing a full migration.
  
  
  Consult Documentation: Refer to SAP documentation or support resources for specific guidance related to the migration process and error handling.
  
  
  Related Information:
  
  KNA1 Table: This table contains general data about customers, including fields like customer number, name, address, and other relevant information.
  Migration Cockpit: A tool provided by SAP for migrating data from legacy systems to SAP S/4HANA or other SAP systems.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on handling migration errors.
  
  If the issue persists after following these steps, it may be beneficial to consult with SAP support or a technical consultant who specializes in data migration.