Message type: E = Error
Message class:  CNV_10020 - Message class for package 10020 
Message number: 670
Message text: &1 &2 is a standard object; changes are not allowed
&V1& &V2& is a standard object that was delivered with the org. package.
The attributes should be correct and they should remain unchanged.
If you still want to change the settings, you can copy the object in
your package to a new one and use that instead.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_10020670 indicates that you are trying to make changes to a standard object in the SAP system, which is not permitted. This error typically arises during data migration or conversion processes, especially when using tools like SAP's Data Migration Workbench or during system upgrades.
Cause: Standard Object Modification: The error occurs when an attempt is made to modify a standard SAP object (like a table, field, or program) that is not meant to be changed. SAP restricts changes to standard objects to ensure system integrity and maintainability. Data Migration Issues: During data migration, if the migration tool tries to insert or update data in a standard object, this error can be triggered. Custom Development: If there are custom developments that inadvertently reference standard objects, this can also lead to the error.
Solution: Review the Changes: Check the specific object mentioned in the error message (the placeholders &1 and &2 will be replaced
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