To modify an existing alert, select 
of the alert row and select the Delete option.
of the alert row and select the Delete option.In Alert Viewer portlet, alert has the source as StatsManager, AlertName shows as the alert name configured, and on drilling, the alert details will be shown. The alert criteria will be “Job did not complete due to an error”. The properties will have the details of Job Name, System Name, Alert Name, and Error Message.