When Catherine follows Lefebvre to Italy and confronts him with trying to make out with another woman, it is day. When she runs out at the end of the scene and Lefebvre pursues her, it is already night.
When the French revolutionary soldiers march against the Austrian camp, before Lefebvre sabotages the Austrian artillery, a large column of black smoke could be seen already, in the far distance.
When Lefebvre pierces a hole into the gun powder sacks in the Austrian camp, he does so from above. In the next shot, the hole in the sack is below.
When Lefebvre pierces a hole into the gun powder sacks in the Austrian camp, he does so from above. In the next shot, the hole in the sack is below. When Catherine does the same, this error is repeated.