The event or task to be canceled could not be removed from your calendar. Maybe it has already been deleted or is not owned by you. Or it might belong to a read-only or disabled calendar.
L' esdeveniment o tasca a cancel. lar no s' ha pogut eliminar del vostre calendari. Potser ja s' ha esborrat o no sou el propietari. O potser pertany a un calendari desactivat o de només lectura. @ info