Does anyone know what causes this error and how to prevent it?AssemblyVersion: -1
PortalID: -1
PortalName:
UserID: -1
UserName:
ActiveTabID: -1
ActiveTabName:
RawURL:
AbsoluteURL:
AbsoluteURLReferrer:
UserAgent:
DefaultDataProvider:
ExceptionGUID:
InnerException: Collection index must be in the range 1 to the size of the collection.
FileName:
FileLineNumber: -1
FileColumnNumber: -1
Method:
StackTrace:
Message: System.IndexOutOfRangeException: Collection index must be in the range 1 to the size of the collection. at Microsoft.VisualBasic.Collection.IndexCheck(Int32 Index) at Microsoft.VisualBasic.Collection.get_Item(Int32 Index) at DotNetNuke.Services.Scheduling.DNNScheduling.Scheduler.CoreScheduler.ScheduleQueueContains(ScheduleItem objScheduleItem) at DotNetNuke.Services.Scheduling.DNNScheduling.Scheduler.CoreScheduler.AddToScheduleQueue(ScheduleHistoryItem objScheduleHistoryItem) at DotNetNuke.Services.Scheduling.DNNScheduling.Scheduler.CoreScheduler.LoadQueueFromTimer() at DotNetNuke.Services.Scheduling.DNNScheduling.Scheduler.CoreScheduler.Start()
Source:

It most recently appeared after a shutdown/restart by my host. Any help would be appreciated.

Thanks, Ted