How To Fix CNV_NCE_BAS408 - Error occurred while saving subobject mapping

CNV_NCE_BAS408 - Overview

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 408

• Message text: Error occurred while saving subobject mapping

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.

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CNV_NCE_BAS408 - Details

• The SAP error message CNV_NCE_BAS408 typically occurs during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there was an issue while saving the subobject mapping, which is a critical step in the data migration process.
  Causes:
  
  Data Integrity Issues: The data being migrated may have integrity issues, such as missing required fields or invalid data formats.
  Configuration Errors: There may be misconfigurations in the mapping settings or the migration project itself.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to perform the operation.
  Technical Errors: There could be underlying technical issues, such as database locks, system performance problems, or bugs in the migration tool.
  Inconsistent Data: The source data may not be consistent with the target structure, leading to mapping failures.
  
  Solutions:
  
  Check Data Integrity: Review the source data for any inconsistencies or missing required fields. Ensure that all data