This is the most common fix for PC players encountering UI Error 27393. It clears corrupted cached data that may be pointing to defunct server IP addresses.
in Call of Duty: Black Ops 3 is typically triggered when players attempt to change their class while in a multiplayer match . This error is often linked to corrupted custom mods, mod menus, or glitches involving weapon blueprints. Potential Fixes ui error 27393 black ops 3
Unlike generic crash codes, error 27393 is specific to Black Ops 3’s front-end user interface (the menus). The game engine is throwing a "GoldFlsh" (Treyarch’s internal UI tool) exception. This means the Flash-based UI cannot render a specific element. This is the most common fix for PC