How to fix the Oracle error ORA-30178: duplicate flag used in a format specification?

In this post, you’ll learn more about the Oracle ErrorORA-30178: duplicate flag used in a format specification with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30178: duplicate flag used in a format specification

Reason for the Error ORA-30178: duplicate flag used in a format specification

There is a duplicate flag in a format specification.

How to fix the Error ORA-30178: duplicate flag used in a format specification ?

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

Remove the duplicate flag.