Oracle Solution for Error ora-38476

Solution for Oracle Error ORA-38476

ORA-38476: abstract type used for an Attribute set may not be modified.

What triggered the Error:

An attempt was made to alter a type (ADT) that is used to maintain an attribute set of an Expression set.

What should we do to fix it:

Do not modify the ADT directly. Use DBMS_EXPFIL APIs instead.