Skyrim Special Edition English Language Pack __link__ -

A common failure point occurs when the game is set to English, but the user utilizes a plugin (mod) created in a different language without a translated string table. This results in the dreaded LOOKUP FAILED! error in-game, indicating the English string file for that specific mod is missing or corrupt.

On consoles, language options are often tied to your system settings: Skyrim Special Edition English Language Pack