How to fix the Oracle error ORA-30757: cannot access type information?

In this post, you’ll learn more about the Oracle ErrorORA-30757: cannot access type information with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30757: cannot access type information

Reason for the Error ORA-30757: cannot access type information

Either a subtype was created and operations performed with this new type while the session was in progress, or the type information was unpinned from the object cache.

How to fix the Error ORA-30757: cannot access type information ?

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

Commit necessary changes, end the user session, reconnect again and re-try the object operations. If problem persists, contact your Oracle Support representative.