public async Task <ActionResult> UnOccupyRoom(int projectId, int roomTypeId)
        {
            try
            {
                await _accommodationService.UnOccupyRoomType(projectId, roomTypeId);

                return(RedirectToAction("EditRoomTypeRooms", "AccommodationType",
                                        new { ProjectId = projectId, RoomTypeId = roomTypeId }));
            }
            catch (Exception e) when(e is ArgumentException || e is JoinRpgEntityNotFoundException)
            {
            }
            catch
            {
                return(StatusCode(500));
            }
            return(BadRequest());
        }