Error when domainstatus set to ON

[iversond]

We tried turning on the domain status settings, but the application kicks out an error we we enable the option.

        at java.util.Vector.insertElementAt(Vector.java:601)
        at java.util.Vector.add(Vector.java:817)
        at edu.umn.pssa.ibmonitorservice.Monitor.populateConfigs(Monitor.java:292)
        at edu.umn.pssa.ibmonitorservice.Monitor.<init>(Monitor.java:149)
        at edu.umn.pssa.ibmonitorservice.IBMonitorSvc.monitorStartup(IBMonitorSvc.java:185)
        at edu.umn.pssa.ibmonitorservice.IBMonitorSvc.<init>(IBMonitorSvc.java:104)
        at edu.umn.pssa.ibmonitorservice.IBMonitorSvc.main(IBMonitorSvc.java:63)

Here is our configs.yaml file

---
root:
  emailUser: ibmonitor@domain.com
  emailPassword: 
  emailReplyTo: ibmonitor@domain.com
  emailHost: smtp.domain.com
  emailPort: '25'
  onCallFile: 'c:/psadmin/oncallfile'
  debugMode: 'OFF'
  dbType: Oracle
  database:
    databaseName: FDEV
    host: dbserver:1521/FDEV.domain.com
    user: SYSADM
    password: SYSADM
    dbSchema: SYSADM
    sleepTime: '5'
    defaultMonitorTime: '0'
    defaultStatusToCheck: '0,5,6'
    defaultRetryCount: '0'
    defaultNotifyTo: psadmin@domain.com
    defaultNotifyCC: ''
    defaultNotifyInterval: '60'
    downTimeStartDay: '1'
    downTimeStart: '6:00'
    downTimeEndDay: '1'
    downTimeEnd: '12:00'
    downTimeFrequency: '7'
    defaultNotifyIntervalOffHours: '720'
    startTimeOffHours: '17:00'
    endTimeOffHours: '7:00'
    domainStatus: 'ON'