How to fix the Oracle error ORA-22308: operation not allowed on evolved type?

In this post, you’ll learn more about the Oracle ErrorORA-22308: operation not allowed on evolved type with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-22308: operation not allowed on evolved type

Reason for the Error ORA-22308: operation not allowed on evolved type

An attempt was made to replace a type whose attribute definition been been altered.

How to fix the Error ORA-22308: operation not allowed on evolved type ?

You can fix this error in Oracle by following the below steps

Submit ALTER TYPE ADD/DROP statement instead of ALTER TYPE REPLACE.