How to fix the Oracle error XOQ-02003: Expression “string” is only valid within a model.?

In this post, you’ll learn more about the Oracle ErrorXOQ-02003: Expression “string” is only valid within a model. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

XOQ-02003: Expression “string” is only valid within a model.

Reason for the Error XOQ-02003: Expression “string” is only valid within a model.

Cause: The expression can only be specified as the right hand side of a model assignment.

How to fix the Error XOQ-02003: Expression “string” is only valid within a model. ?

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

Action: Redefine the expression to remove all model-specific features.