The year was 2016, and for Elias, the real tomb wasn't in Siberia—it was buried inside a 1TB hard drive.
The most common cause is a corrupt or missing bigfile.000 asset. You can use your game launcher to automatically scan and replace damaged files. Rise Of The Tomb Raider Unable To Open Bigfile.000
Try the following solutions in order. Most users resolve the issue with Solution 1 or 2. The year was 2016, and for Elias, the
*The residual 0.3% corresponded to physical bad sectors on the storage drive, requiring chkdsk /r or drive replacement. The year was 2016