I've only had it happen in this mission so far, hope it helps to track down the issue cause I enjoyed the other 2 missions so far and this ones gotten a lot of praise.
Both on the roof an the immediate area to the left of where you start, though that one is kind of cool cause I feel like a physics breaking ninja dropping down on the guy with the lantern
Theres many instances where jumping makes you float and your unable to climb onto things, its a real pain trying to get around on the roof or even the white boxes on the side of the building near the water