How To Fix CNV_10020672 - &1-&2 is a standard field; changes are not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 672

• Message text: &1-&2 is a standard field; changes are not allowed

What causes this issue?

&V1& &V2& is a SAP standard field. The settings for SAP standard fields
should be correct and they should remain unchanged.

How to fix this error?

If you still want to change the settings, please contact SAP support by
opening an OSS message.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020672 - &1-&2 is a standard field; changes are not allowed ?

  The SAP error message CNV_10020672 indicates that you are trying to make changes to a standard field in the SAP system, which is not allowed. This error typically arises during data migration or conversion processes, especially when using tools like the SAP S/4HANA Migration Cockpit or other data transfer methods.
  Cause:
  
  Standard Field Modification: The error occurs when an attempt is made to modify a standard field that is part of the SAP data model. SAP restricts changes to standard fields to maintain data integrity and system stability.
  Data Migration Issues: During data migration, if the mapping or transformation rules incorrectly attempt to change standard fields, this error can be triggered.
  Custom Development: If there are custom developments or enhancements that inadvertently try to modify standard fields, this can also lead to the error.
  
  Solution:
  
  Review Data Mapping: Check the data mapping and transformation rules in your migration or conversion process. Ensure that you are not trying to change standard fields.
  Use Custom Fields: If you need to store additional information, consider using custom fields (Z-fields) instead of trying to modify standard fields.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using to understand the limitations regarding standard fields.
  Error Handling: Implement error handling in your migration process to catch such errors and log them for further analysis.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on best practices for data migration.
  
  Related Information:
  
  SAP Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, familiarize yourself with its capabilities and limitations regarding standard fields.
  Data Dictionary: Review the data dictionary (SE11) to understand the properties of the fields you are working with, including which fields are standard and which are custom.
  SAP Community: Engage with the SAP Community or forums for insights from other users who may have encountered and resolved similar issues.
  
  By following these steps, you should be able to resolve the error CNV_10020672 and successfully complete your data migration or conversion process.