How to fix the Oracle error ORA-24500: invalid UTF16 mode?

In this post, you’ll learn more about the Oracle ErrorORA-24500: invalid UTF16 mode with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-24500: invalid UTF16 mode

Reason for the Error ORA-24500: invalid UTF16 mode

UTF16 mode is allowed only at environment handle creation time.

How to fix the Error ORA-24500: invalid UTF16 mode ?

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

Remove UTF16 mode for functions other than OCIEnvCreate()

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