Good morning
Since a while the e-mail subscription tool is not working anymore for anyone on my company Board Platform.
The page couldn't be open and the subscriptions are not working anymore.
Trying to access it gives back the unhandled error that follows:
at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__15.MoveNext()", HelpLink: null, Source: "mscorlib", HResult: -2146233086 }, RefCode: 1785221664072, Elapsed: null, AdditionalInfo: null }
2026-07-28 09:05:55.438 +02:00 [Error] LogEntry { Feature: NotDefined, Username: "39ecdf67-445a-45ac-8930-c515de37bd5b", ConnectionId: "684d7a3f-b74d-4152-8163-853659fbab21", ProductVersion: "12.6.1.4.380641", Message: "https://eigver-c1.board.com/api/subscribe/getSubscriptions", Exception: ArgumentOutOfRangeException { Message: "Value to add was out of range.
Parameter name: value", ActualValue: null, ParamName: "value", Data: [DictionaryEntry { Key: "MS_LoggedBy", Value: [ApiExceptionLogger { }] }], InnerException: null, TargetSite: System.DateTime Add(Double, Int32), StackTrace: " at System.DateTime.Add(Double value, Int32 scale)
at Ical.Net.Utility.DateUtil.AddWeeks(DateTime dt, Int32 interval, DayOfWeek firstDayOfWeek)
at Ical.Net.Evaluation.Evaluator.IncrementDate(DateTime& dt, RecurrencePattern pattern, Int32 interval)
at Ical.Net.Evaluation.RecurrencePatternEvaluator.GetDates(IDateTime seed, DateTime periodStart, DateTime periodEnd, Int32 maxCount, RecurrencePattern pattern, Boolean includeReferenceDateInResults)
at Ical.Net.Evaluation.RecurrencePatternEvaluator.Evaluate(IDateTime referenceDate, DateTime periodStart, DateTime periodEnd, Boolean includeReferenceDateInResults)
at Ical.Net.Evaluation.RecurringEvaluator.EvaluateRRule(IDateTime referenceDate, DateTime periodStart, DateTime periodEnd, Boolean includeReferenceDateInResults)
at Ical.Net.Evaluation.RecurringEvaluator.Evaluate(IDateTime referenceDate, DateTime periodStart, DateTime periodEnd, Boolean includeReferenceDateInResults)
at Ical.Net.Evaluation.EventEvaluator.Evaluate(IDateTime referenceTime, DateTime periodStart, DateTime periodEnd, Boolean includeReferenceDateInResults)
at Ical.Net.Evaluation.RecurrenceUtil.GetOccurrences(IRecurrable recurrable, IDateTime periodStart, IDateTime periodEnd, Boolean includeReferenceDateInResults)
at Ical.Net.Calendar.<>c__DisplayClass60_01.<GetOccurrences>b__0(T recurrable) at System.Linq.Enumerable.<SelectManyIterator>d__172.MoveNext() at System.Collections.Generic.HashSet1.UnionWith(IEnumerable1 other)
at System.Collections.Generic.HashSet1..ctor(IEnumerable1 collection, IEqualityComparer1 comparer) at Ical.Net.Calendar.GetOccurrences[T](IDateTime startTime, IDateTime endTime)
at Ical.Net.Calendar.GetOccurrences(DateTime startTime, DateTime endTime)
at Board.Web.Infrastructure.Reporting.Broadcasting.Engine.BroadcastingCalendarRepository.GetOccurrences(DateTime from, DateTime to)
at Board.Web.Infrastructure.Reporting.Broadcasting.Engine.BroadcastingCalendarRepository.GetNext(String guid)
at Board.Web.Infrastructure.Reporting.Broadcasting.WebScheduledReportActionBaseConverters.ToSpecific[TDefinition](TDefinition definition, ScheduledReportingAction dbAction, Func2 getNextRun) at Board.Web.Infrastructure.Reporting.Broadcasting.Subscribe.SubscriptionConverters.<ToSubscriptionAsync>d__0.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
Can anyone help me?
Thank you in advance.
Enrico