| Member Name | Description | 
|---|
| AlarmGreaterThanRecurrence | The alarm's RelativeOffset is too large for the interval specified by the event's recurrence rule. | 
| AlarmProximityNotSupported | Documentation for this section has not yet been entered. | 
| CalendarDoesNotAllowEvents | Documentation for this section has not yet been entered. | 
| CalendarDoesNotAllowReminders | Documentation for this section has not yet been entered. | 
| CalendarHasNoSource | Documentation for this section has not yet been entered. | 
| CalendarIsImmutable | Documentation for this section has not yet been entered. | 
| CalendarReadOnly | The calendar cannot be modified. | 
| CalendarSourceCannotBeModified | Documentation for this section has not yet been entered. | 
| DatesInverted | The event EndDate cannot occur before the event StartDate | 
| DurationGreaterThanRecurrence | The event duration is too large for the interval specified by the event's recurrence rule. | 
| EventNotMutable | The event cannot be modified. | 
| InternalFailure | An internal error has occurred. | 
| InvalidEntityType | Documentation for this section has not yet been entered. | 
| InvalidSpan | Documentation for this section has not yet been entered. | 
| InvitesCannotBeMoved | Invites cannot be modified. | 
| NoCalendar | The event does not have an associated calendar. | 
| NoEndDate | The EndDate property has not been set for the event. | 
| NoStartDate | The StartDate property has not been set for the event. | 
| ObjectBelongsToDifferentStore | The object is not stored in the same event store. | 
| PriorityIsInvalid | Documentation for this section has not yet been entered. | 
| RecurringReminderRequiresDueDate | Documentation for this section has not yet been entered. | 
| ReminderLocationsNotSupported | Documentation for this section has not yet been entered. | 
| SourceDoesNotAllowCalendarAddDelete | Documentation for this section has not yet been entered. | 
| SourceDoesNotAllowReminders | Documentation for this section has not yet been entered. | 
| StartDateCollidesWithOtherOccurrence | The event's StartDate is set to collide with other occurrences of the same event. | 
| StartDateTooFarInFuture | The event's StartDate is beyond the end of the calendar. | 
| StructuredLocationsNotSupported | Documentation for this section has not yet been entered. |