How to fix the Oracle error ORA-27491: repeat_interval and start_date cannot both be NULL?

In this post, you’ll learn more about the Oracle ErrorORA-27491: repeat_interval and start_date cannot both be NULL with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-27491: repeat_interval and start_date cannot both be NULL

Reason for the Error ORA-27491: repeat_interval and start_date cannot both be NULL

An attempt was made to set both repeat_interval and start_date to equal NULL for a Scheduler window or schedule.

How to fix the Error ORA-27491: repeat_interval and start_date cannot both be NULL ?

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

If either repeat_interval or start_date is set to equal NULL, the other should be set to a non-NULL value.