First he dropped a pile of cash in the bank because he did not bring a bag to store the loot in. He then scoops it up and tosses it in an umbrella he finds on the floor.
He later slipped on some ice and cut his head open while attempting to make a getaway. That was after his getaway car had been disabled by the police.
It’s obvious that he doesn’t plan or multi-task very well and he had a very bad day at the office.