How to fix the Oracle error ORA-30186: ‘\’ must be followed by four hexdecimal characters or another ‘\’?

In this post, you’ll learn more about the Oracle ErrorORA-30186: ‘\’ must be followed by four hexdecimal characters or another ‘\’ with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30186: ‘\’ must be followed by four hexdecimal characters or another ‘\’

Reason for the Error ORA-30186: ‘\’ must be followed by four hexdecimal characters or another ‘\’

In the argument of SQL function UNISTR, a ” must be followed by four hexdecimal characters or another ”

How to fix the Error ORA-30186: ‘\’ must be followed by four hexdecimal characters or another ‘\’ ?

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

Fix the string format