How to fix the Oracle error ORA-27412: repeat interval or calendar contains invalid identifier: string?

In this post, you’ll learn more about the Oracle ErrorORA-27412: repeat interval or calendar contains invalid identifier: string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-27412: repeat interval or calendar contains invalid identifier: string

Reason for the Error ORA-27412: repeat interval or calendar contains invalid identifier: string

The calendar string or calendar definition for the repeat interval of a job, schedule or window contained an unsupported keyword or reference to an undefined calendar.

How to fix the Error ORA-27412: repeat interval or calendar contains invalid identifier: string ?

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

Correct the repeat interval such that it no longer contains the invalid keyword.