ORA-45616
Column string.string in schema string is not identified as sensitive.
Cause
An attempt was made to alter a column that was not identified as sensitive using the DBMS_TSDP.ALTER_SENSITIVE_COLUMN PL/SQL procedure.
Action
Specify a valid sensitive column when executing the DBMS_TSDP.ALTER_SENSITIVE_COLUMN procedure to alter the sensitive column type and/or its comment.