How To Fix CNV_20800152 - Following customer numbers are not included in the mapping

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20800 - Message class for CNV_20800

• Message number: 152

• Message text: Following customer numbers are not included in the mapping

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20800152 - Following customer numbers are not included in the mapping ?

  The SAP error message CNV_20800152 indicates that certain customer numbers are not included in the mapping during a data migration or conversion process. This error typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion projects.
  Cause:
  
  Missing Mapping Entries: The customer numbers mentioned in the error message do not have corresponding entries in the mapping table. This can happen if the mapping was not properly set up or if the customer numbers were not included in the initial data extraction.
  Data Quality Issues: There may be discrepancies in the data, such as typos or formatting issues, that prevent the customer numbers from matching the expected format in the mapping table.
  Incomplete Migration Preparation: The migration process may not have been fully prepared, leading to missing or incomplete mapping for certain customer records.
  
  Solution:
  
  Check Mapping Table: Review the mapping table used for the migration. Ensure that all customer numbers that are being referenced in the error message are included in the mapping. If they are missing, you will need to add them.
  Data Validation: Validate the customer numbers in the source data to ensure they match the expected format and values in the mapping table. Correct any discrepancies found.
  Update Migration Configuration: If the mapping is incomplete, update the migration configuration to include the necessary customer numbers and re-run the migration process.
  Consult Documentation: Refer to the SAP documentation related to the specific migration tool you are using for any additional steps or requirements that may need to be addressed.
  Testing: After making the necessary changes, perform a test migration with a smaller dataset to ensure that the issue is resolved before proceeding with the full migration.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or fixes related to this error message.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, familiarize yourself with its features and best practices for mapping and data migration.
  Data Migration Best Practices: Follow best practices for data migration, including thorough data cleansing, validation, and testing to minimize issues during the actual migration process.
  
  If the problem persists after following these steps, consider reaching out to SAP support or consulting with an SAP expert who specializes in data migration.