How to fix the Oracle error ORA-30774: Library “string” was erroneously defined as a trusted library for opaque types?

In this post, you’ll learn more about the Oracle ErrorORA-30774: Library “string” was erroneously defined as a trusted library for opaque types with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30774: Library “string” was erroneously defined as a trusted library for opaque types

Reason for the Error ORA-30774: Library “string” was erroneously defined as a trusted library for opaque types

User has defined some library as trusted library for opaque types.

How to fix the Error ORA-30774: Library “string” was erroneously defined as a trusted library for opaque types ?

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

Trusted libraries for opaque types can only be defined in internal code.