Your team is well behind on deadlines. Everyone is trying, working fast, and staying extra hours to close the gap. Coffee/tea/lunch breaks are minimal as people try to stay at their desks and work. After a team meeting about the subject, Donald, the newest team member, apologizes to you and says that due to his inexperience, he isn't meeting deadlines and feels that he is keeping the team behind and is letting you down.
If you were Donald’s supervisor Which approach would be the best responses to begin with?