How to fix the Oracle error SQL-02129: Fetched number of bytes is odd.?

In this post, you’ll learn more about the Oracle ErrorSQL-02129: Fetched number of bytes is odd. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

SQL-02129: Fetched number of bytes is odd.

Reason for the Error SQL-02129: Fetched number of bytes is odd.

Cause: The program tried to FETCH an invalid column value into a multi-byte NLS host variable. Specifically, the column did not contain valid double-byte data.

How to fix the Error SQL-02129: Fetched number of bytes is odd. ?

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

Action: Make sure the column contains only double-byte data. To verify this, use SQL*Plus or Server Manager.