When Apo and Langborne are photographed at the café, Apo is on the viewer's left; when the photos are reviewed later, he is to the viewer's right, putting the pictures 180 degrees out from the actual POV when they were taken.
The design of the fake passport is completely wrong. Stated as being issued in March 2015, it should be of the biometric type, series A, issue 2 - which was used 2010-2015. In fact, though looking plausible, the biodata and facing pages are quite different from any that were ever issued; the whole of the facing page and the font used for the data are, in particular, totally wrong. Additionally, the given names 'THOMAS, ZACHARY' would not be separated by a comma.
Several characters talk about paella, pronouncing it "pah-EHL-lah". The correct pronunciation is "pah-EH-yah".