How to fix the Oracle error PCC-02378: Invalid type for National Language character variable?

In this post, you’ll learn more about the Oracle ErrorPCC-02378: Invalid type for National Language character variable with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PCC-02378: Invalid type for National Language character variable

Reason for the Error PCC-02378: Invalid type for National Language character variable

Cause: A variable declared as a National Language character using the NLS_CHAR option was not declared as a char or implicit VARCHAR.

How to fix the Error PCC-02378: Invalid type for National Language character variable ?

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

Action: Declare the variable as a char or implicit VARCHAR or do not specify using the NLS_CHAR option.