Sources tell The Wrap that the high costs stemmed from Dwayne “The Rock” Johnson’s “chronic lateness,” along with inexperienced production execs:

“It should look like a $200 million-plus movie, but it doesn’t, because more than half goes to buyouts of the stars and the above the line,” the production insider said. “Amazon MGM have so many movies that nobody’s concentrating on what actually needs to get done. Given their volume, they can’t concentrate.”