How to fix the Oracle error LSX-00342: value of attribute “base” must be a complex type definition?

In this post, you’ll learn more about the Oracle ErrorLSX-00342: value of attribute “base” must be a complex type definition with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

LSX-00342: value of attribute “base” must be a complex type definition

Reason for the Error LSX-00342: value of attribute “base” must be a complex type definition

Cause: If the “complexContent” alternative is chosen, then the type definition resolved to by the actual value of the attribute “base” must be a complex type definition.

How to fix the Error LSX-00342: value of attribute “base” must be a complex type definition ?

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

Action: Choose a complex type definition as its base type.