When they are at Vienna train station about to leave for Prague, Audrey and Morgan panic about being caught by the authorities during passport checks at the border. There are no border checks when travelling between Austria and the Czech Republic, as both countries are in the Schengen Area.
In the post Credit scene, Initially, when we first see her, Audry is wearing the Happy Birthday Tiara, but when camera next cuts to her it is gone.
When Morgen calls Snowden for helping them with decryption of the USB drive, Ed answers the phone pulling it downward, which would normally reject the call (also the red pictograph appears).
When the biker is flung off the car into the intersection, he stands briefly only to be struck by a bus. The bus clears the intersection and leaves the frame. As the actresses are running to the biker, the bus has returned to the middle of the intersection.
Errors in geography
The opening scene is set to be happening in Vilnius, Lithuania. The car numbers are clearly not Lithuanian as well as the woman shouting in the market or the TV neither is using Lithuanian.
In one scene, five black CIA cars are travelling along an empty road towards the camera. When we cut back to the road, they are travelling away from the camera, but clearly just driving back they way they had come (i.e. in the opposite direction).
At Wien HbF (Vienna Main Train Station), the characters talk about needing new passports to travel to Prague. Both Austria and Czechia are members of the Schengen Accords and as such there are no border controls (including passport checks) between the countries.
On several occasions characters reply to texts from withheld numbers. This isn't possible.
At about 26min, the CIA sticks his gun under the table to her knee. The next scene, you can see with the size of the table in order to reach her knee, his lower arm would have to be 3 feet long.
Although her character dyed her hair black within the movie, Kate McKinnon's wig is visibly separating from her temples during the closeups in her tight rope scene.
When they attempt to steal a car from an old couple and then they realize the car has a gear stick, you can clearly see it's a man on the driver seat and that it is man's hand holding the stick.
when they hide behind the suitcase on the floor, a bullet hits the suitcase. In the next shot there is no bullethole and in the next shot the hole has returned.