Around 0:54:16 is shown that Jack is using a rifle based on M4 platform, but in the next shot at 0:54:56, he is using a rifle based on AK platform.
When leaving the airport terminal in Myanmar, Mike takes a taxi with a driver wearing a white shirt. However, when arriving at the casino in the same taxi, the driver is wearing a dark red shirt.
Cho Fah explains that the triggers are part of an "end-to-end closed system. Only one transmitter. Only one receiver." Ryan says "Like an old-fashioned distress signal." This makes no sense. Distress signals are designed to be received by anyone.
When leaving the airport terminal in Myanmar, Mike is called by a taxi driver to give him a ride. However, the caption claims the driver is speaking Mandarin. The official language of Myanmar is Burmese (hence the former name of the country, Burma).
When Jack, Mike, and Chau Fah are running through the forest to get Chau Fah's family, the viewer sees the undergrowth full of large leaf philodendrons. These plants only grow in the wild in the tropical Americas and the West Indies, but not in Southeast Asia where the story takes place.