Regrets

I have a couple of conflicts this morning.
When I accepted the update that was just sent for this meeting, it disappeared completely for all of December.
Was that intentional?
Bill Burns Information Architecture Technical Program Manager HP Business Tech Solutions, Customer Support & Services Delivery Solutions  M : +1 208 794 5709 HP Inc. 11311 W Chinden Blvd Boise ID 83714-1021 United States