How to fix the Oracle error ORA-08178: illegal SERIALIZABLE clause specified for user INTERNAL?

In this post, you’ll learn more about the Oracle ErrorORA-08178: illegal SERIALIZABLE clause specified for user INTERNAL with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-08178: illegal SERIALIZABLE clause specified for user INTERNAL

Reason for the Error ORA-08178: illegal SERIALIZABLE clause specified for user INTERNAL

Serializable mode is not supported for user INTERNAL.

How to fix the Error ORA-08178: illegal SERIALIZABLE clause specified for user INTERNAL ?

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

Reconnect as another user and retry the SET TRANSACTION command.