How To Fix CNV_PE_GEN127 - Field name &1 is not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_GEN - Messages for object generation

• Message number: 127

• Message text: Field name &1 is not valid

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_PE_GEN127 - Field name &1 is not valid ?

  The SAP error message CNV_PE_GEN127, which states "Field name &1 is not valid," typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data transfer tools. This error indicates that the field name specified in the migration or conversion process does not exist or is not recognized in the target system.
  Causes:
  
  Incorrect Field Name: The field name specified in the mapping or configuration does not match any field in the target database or structure.
  Field Not Available: The field may not be available in the version of the SAP system you are using, or it may have been deprecated or replaced in the target system.
  Typographical Errors: There may be a typo in the field name, leading to the system not recognizing it.
  Data Model Changes: If there have been changes in the data model (e.g., during an upgrade or migration), certain fields may have been removed or renamed.
  
  Solutions:
  
  Verify Field Names: Check the field name specified in the error message against the target system's data model to ensure it is correct and exists.
  Update Mapping: If the field has been renamed or removed, update your mapping configuration to reflect the correct field name.
  Consult Documentation: Refer to the SAP documentation or release notes for the specific version you are working with to understand any changes in the data model.
  Use Data Dictionary: Utilize the SAP Data Dictionary (transaction SE11) to look up the field and confirm its existence and correct spelling.
  Check Migration Tools: If you are using a migration tool, ensure that it is up to date and compatible with your SAP version.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on data migration issues.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its configuration settings, as it may provide additional context for the error.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed and resolved by other users.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.