How to fix the Oracle error PCC-02427: Expression is not of the correct character string type?

In this post, you’ll learn more about the Oracle ErrorPCC-02427: Expression is not of the correct character string type with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PCC-02427: Expression is not of the correct character string type

Reason for the Error PCC-02427: Expression is not of the correct character string type

Cause: The given host variable expression was not declared to be of the required character type. In this case, one of several possible character types would have been accepted. However, the host variable type did not match any of them.

How to fix the Error PCC-02427: Expression is not of the correct character string type ?

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

Action: Redeclare the problematic host variable, using one of the permitted character types.