How To Fix CNV_NCE_BAS301 - Insert a valid field name

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 301

• Message text: Insert a valid field name

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_NCE_BAS301 - Insert a valid field name ?

  The SAP error message CNV_NCE_BAS301: Insert a valid field name 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 the system is expecting a valid field name, but the provided field name is either incorrect, missing, or not recognized by the system.
  Causes:
  
  Invalid Field Name: The field name specified in the migration or conversion process does not exist in the target structure or is misspelled.
  Field Mapping Issues: There may be issues with the mapping of fields between the source and target systems.
  Data Structure Changes: If the data structure has changed (e.g., during an upgrade or migration), the field names may have been altered or deprecated.
  Configuration Errors: Incorrect configuration settings in the migration tool or the data model can lead to this error.
  Missing Authorization: Sometimes, the user executing the migration may not have the necessary authorizations to access certain fields.
  
  Solutions:
  
  Verify Field Names: Check the field names in the source and target systems to ensure they match. Look for any typos or discrepancies.
  Review Mapping Configuration: Go through the mapping configuration in the migration tool to ensure that all fields are correctly mapped and that there are no missing fields.
  Check Data Structure: If you are migrating from an older version of SAP to S/4HANA, review the data structure changes and ensure that you are using the correct field names as per the new data model.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using to understand the expected field names and structures.
  User Authorizations: Ensure that the user executing the migration has the necessary authorizations to access and modify the relevant fields.
  Debugging: If the issue persists, consider enabling debugging or logging in the migration tool to get more detailed information about where the error is occurring.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific migration tool you are using. SAP frequently releases notes that address common issues and provide solutions.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Training and Documentation: Ensure that you have the latest training materials and documentation for the migration tool, as these can provide insights into common pitfalls and best practices.
  
  By following these steps, you should be able to identify the cause of the CNV_NCE_BAS301 error and implement a solution to resolve it.