How To Fix DMC_GENERAL320 - &1 is not a valid field name

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 320

• Message text: &1 is not 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 DMC_GENERAL320 - &1 is not a valid field name ?

  The SAP error message DMC_GENERAL320 indicates that a specified field name is not valid in the context where it is being used. This error typically arises in the Data Migration Cockpit (DMC) or during data migration processes when the system cannot recognize or validate the field name provided.
  Causes:
  
  Typographical Errors: The field name may have been misspelled or incorrectly formatted.
  Field Name Not Existing: The field name does not exist in the target or source data structure.
  Incorrect Mapping: The mapping between source and target fields may be incorrect or incomplete.
  Data Model Changes: Changes in the data model (e.g., fields being renamed or removed) may lead to this error.
  Configuration Issues: The configuration of the migration project may not be set up correctly, leading to invalid field references.
  
  Solutions:
  
  Check Field Names: Verify that the field name specified in the migration project is spelled correctly and matches the expected field names in the target system.
  Review Data Mapping: Ensure that the mapping between source and target fields is correctly defined and that all required fields are included.
  Consult Data Model Documentation: Refer to the data model documentation for the target system to confirm that the field exists and is valid.
  Update Migration Configuration: If there have been changes to the data model, update the migration configuration to reflect these changes.
  Test with Sample Data: Run a test migration with a small set of data to identify if the issue persists and to isolate the problematic field.
  Check for Deprecated Fields: Ensure that the field is not deprecated or obsolete in the current version of the SAP system.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the DMC and the specific error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Documentation: Review the official SAP documentation for the Data Migration Cockpit for guidance on field naming conventions and migration best practices.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.