SAP Message BT180 - Job is event-periodic. Period values cannot be specified

Diagnosis
You have specified that this job is to be started when a particularevent is triggered and that the job should be repeated whenever theevent recurs. You have also tried to enter a time interval forrestarting the job.
Since the job is to be repeated when an event occurs, you cannot entera time interval for repeating the job.

System Response
No action taken.

Procedure
Select Immediate startSofort or Date/timeDatum/Uhrzeit as the start specification for this job if it must berepeated according to a time interval.