How to fix the Oracle error ORA-19271: XPST0051 – invalid atomic type definition?

In this post, you’ll learn more about the Oracle ErrorORA-19271: XPST0051 – invalid atomic type definition with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19271: XPST0051 – invalid atomic type definition

Reason for the Error ORA-19271: XPST0051 – invalid atomic type definition

The QName used as an AtomicType in a SequenceType was not defined in the in-scope type definitions as an atomic type.

How to fix the Error ORA-19271: XPST0051 – invalid atomic type definition ?

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

Use the correct atomic type name.