Check out our support FAQ for some important information regarding specific instructions on how to solve or address certain issues in The Witness.
If you are still having problems, it would be best to contact our support team. When contacting us, please be sure to include the log.txt file from the game if you are playing the game on PC or Mac.
Contact our support team at the following email address that matches the service or platform you are playing the game on:
The Witness subreddit: https://www.reddit.com/r/TheWitness/
The Witness Steam technical support forum: https://steamcommunity.com/app/210970/discussions/3/