No replace in private / protected / public sections and enhancements

What causes this issue?

The system found the search string also in private / protected / public
sections of classes. The string can, however, not be replaced directly
in these texts to avoid inconsistencies.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Replace any occurrences of the search string manually using the Class
Builder.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.