Factual error: After the Death Star, when TIE fighters are attacking the Millennium Falcon, each time one explodes at high speed, the debris and the fire does not keep moving.
Factual error: Melanthius claims to be friends with Archimedes, who died in 212BC. Yet the movie must be set after the birth of Mohammed, in 570AD, as it contains references to Islam. Only out by at least 783 years.
Factual error: After leaving California heading for Texas, the team is shown traveling on the road throughout the day, then we see them on the freeway driving into the sunset, then it's night as the team gets a hotel. If traveling east towards Texas as darkness is soon approaching, the sun would be behind them, not in front. They would be traveling west (not east).