How To Fix CNV_20700019 - Mapping not maintained for renaming material numbers

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20700 - Material number conversion

• Message number: 019

• Message text: Mapping not maintained for renaming material numbers

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20700019 - Mapping not maintained for renaming material numbers ?

  The SAP error message CNV_20700019 indicates that there is a mapping issue related to renaming material numbers 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 conversion tools.
  Cause:
  The error occurs when the system attempts to rename material numbers, but there is no mapping defined for the old material number to the new material number. This can happen due to several reasons:
  
  Missing Mapping Entries: The mapping table that should contain the old and new material numbers is incomplete or missing entries.
  Incorrect Configuration: The configuration settings for the migration process may not have been set up correctly, leading to the absence of necessary mappings.
  Data Integrity Issues: There may be issues with the source data that prevent the system from correctly identifying the material numbers that need to be renamed.
  
  Solution:
  To resolve the error CNV_20700019, you can follow these steps:
  
  
  Check Mapping Table:
  
  Access the mapping table used for the migration process. This is usually part of the data migration cockpit or a specific transaction related to the migration.
  Ensure that there are entries for all material numbers that need to be renamed. If any entries are missing, you will need to add them.
  
  
  
  Review Migration Configuration:
  
  Verify the configuration settings for the migration process. Ensure that the settings are correctly pointing to the mapping table and that all necessary parameters are set.
  
  
  
  Data Validation:
  
  Validate the source data to ensure that all material numbers are correctly formatted and exist in the system. Look for any discrepancies or errors in the data that could lead to mapping issues.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation related to the specific migration tool you are using. There may be specific guidelines or troubleshooting steps provided for handling mapping issues.
  
  
  
  Testing:
  
  After making the necessary changes, perform a test run of the migration process to ensure that the error has been resolved and that material numbers are being renamed correctly.
  
  
  
  Seek Support:
  
  If the issue persists after checking the mapping and configuration, consider reaching out to SAP support or consulting with an SAP expert who can provide further assistance.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling material number mappings.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for detailed instructions on mapping and data migration processes.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_20700019 error effectively.