, open the EpicGamesLauncher folder, then the Saved folder, and delete the Anti-Cheat Issues

Unsupported codec, corrupted file, or missing DirectShow filters.

If you're looking to report the issue or discuss it with others, here's a template you could use:

This is the most frequent culprit. The Saber engine utilizes modern rendering techniques that often require the latest "Game Ready" drivers to function without crashing.

your CustomLevels folder (so you don't lose your songs). Uninstall the game.

Many former Saber users have switched to (lightburnsoftware.com). It is a more robust, professional-grade laser engraving software that works with X-Tool lasers via a G-code sender. LightBurn rarely, if ever, shows the "unrecoverable error." You can use free trial to test compatibility.