How To Fix CNV_NCE_BAS122 - New mapping values for subobject &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 122

• Message text: New mapping values for subobject &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_NCE_BAS122 - New mapping values for subobject &1 ?

  The SAP error message CNV_NCE_BAS122 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 there are new mapping values for a subobject that have not been defined or are missing in the mapping configuration.
  Cause:
  
  Missing Mapping Values: The error usually arises when the system encounters a subobject that requires a mapping value that has not been defined in the migration settings.
  Inconsistent Data: The source data may contain values that do not have corresponding mappings in the target system.
  Configuration Issues: There may be issues in the configuration of the migration project, such as missing or incorrect mapping rules.
  
  Solution:
  
  
  Check Mapping Configuration:
  
  Go to the migration project in the SAP S/4HANA Migration Cockpit.
  Review the mapping settings for the specific subobject indicated in the error message.
  Ensure that all necessary mapping values are defined and correctly configured.
  
  
  
  Define Missing Values:
  
  If the error indicates a specific subobject (e.g., a specific field or category), check if there are new values in the source data that need to be mapped.
  Add the missing mapping values to the configuration.
  
  
  
  Data Validation:
  
  Validate the source data to ensure that it conforms to the expected format and values.
  Cleanse the data if necessary to remove or correct any inconsistencies.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific migration tool you are using. There may be guidelines or best practices for handling mapping issues.
  
  
  
  Testing:
  
  After making changes to the mapping configuration, run a test migration to ensure that the error is resolved.
  
  
  
  Seek Support:
  
  If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who specializes in data migration.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, which may provide insights into common issues and their resolutions.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to identify the cause of the CNV_NCE_BAS122 error and implement a solution to resolve it.