Oracle Error Message
ORA-27411: empty string is not a valid repeat interval.
Reason for the Error
An empty string ” was provided as a repeat interval for a window or a schedule.
Solution
Specify a valid repeat interval, e.g., ‘FREQ=DAILY;BYHOUR=8;BYMINUTE=0;BYSECOND=0’ for a job that executes daily at 8am.
