How To Fix CNV_10100255 - Check for the set name mapping table started; table ID &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10100 - Messages from package 10100

• Message number: 255

• Message text: Check for the set name mapping table started; table ID &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10100255 - Check for the set name mapping table started; table ID &1 ?

  The SAP error message CNV_10100255 typically relates to issues encountered during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is a problem with the name mapping table that is being checked during the migration process.
  Cause:
  
  Missing Mapping Table: The specified mapping table (identified by the table ID) may not exist in the system.
  Incorrect Configuration: The mapping table may not be correctly configured or populated with the necessary data.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to access the mapping table.
  Data Consistency Issues: There may be inconsistencies or errors in the data that the mapping table is supposed to handle.
  
  Solution:
  
  
  Check Mapping Table Existence: Verify that the mapping table with the specified ID exists in the system. You can do this by checking the relevant database tables or using transaction codes like SE11 (Data Dictionary) to look for the table.
  
  
  Review Configuration: Ensure that the mapping table is correctly configured and populated with the necessary mappings. This may involve checking the data entries in the mapping table to ensure they are correct and complete.
  
  
  User Authorizations: Check the user authorizations to ensure that the user executing the migration has the necessary permissions to access the mapping table. You may need to adjust roles or permissions accordingly.
  
  
  Data Validation: Validate the data that is being processed to ensure there are no inconsistencies or errors that could be causing the issue. This may involve running data quality checks or reviewing logs for additional error messages.
  
  
  Consult Documentation: Refer to the SAP documentation or notes related to the specific migration or conversion process you are using. There may be specific instructions or troubleshooting steps provided by SAP.
  
  
  SAP Support: If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. They may provide additional insights or patches if the issue is related to a known bug.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and ST22 (Dump Analysis) for troubleshooting.
  SAP Notes: Search for SAP Notes related to the error message or the specific migration process you are using. SAP Notes often contain valuable information about known issues and their resolutions.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for data migration, as it may provide additional context and troubleshooting steps.
  
  By following these steps, you should be able to identify and resolve the issue related to the CNV_10100255 error message.