Factual error: The "corn" they are growing is not corn, just crabgrass.
10,000 B.C. (2008)
1 factual error - chronological order
Directed by: Roland Emmerich
Starring: Cliff Curtis, Camilla Belle, Steven Strait, Joel Virgel, Marco Khan
Revealing mistake: After Evolet got hit by the arrow and presumably dies, D'leh is staring at a mammoth. Behind the mammoth, you can see that the background is a picture.
More questions & answers from 10,000 B.C.
Answer: It is explained that he decided not to wait for the last hunt and left to find another way to feed the tribe. He left in secret so that others would not follow him abandoning the tribe.