Well clearly your info request was made in the future. Possibly by some sort of time traveler person secretly working in your organization in a plot to take over the world.
Or you could use the arbitrary adjustment method. Otherwise known as forcing a square into a round hole. Just modify the dates to make then make sense. I'm sure nobody actually cares about the dates anyways as long as they're in order. And if anyone asks just tell them you'll look into it and by the time come back you'll have a new job and won't have to worry about it.
There, problem solved. I'm so talented.
Or as I mentioned earlier, go to the other developers and:
Do that until you feel better. It may take a few trips.