Oracle Solution for Error ora-27419

ORA-27419: unable to determine valid execution date from repeat interval

What triggered the Error:

e specified repeat interval contained conflicting clauses that made it impossible to ever find a matching date, e.g., 'FREQ=YEARLY;BYMONTH=FEB;BYMONTHDAY=31'. Alternatively, the scheduler reached its maximum number of attempts to try to find a valid execution date. This occurs when theoretically there is a valid execution date far in the future, but the scheduler took too many attempts to determine this date.

What should we do to fix it:

move the conflicting clauses, or simplify the repeat interval so that it is easier to determine the next execution date.