Go to your Skyrim folder (usually SteamLibrary\steamapps\common\Skyrim Special Edition ).
Game launches without error.
Right-click on the game's executable ( SkyrimSE.exe or Fallout4.exe ). Select > Details . Look at the Product Version . Common Skyrim versions: 1.5.97: The "pre-Anniversary" Special Edition. 1.6.640: The standard Anniversary Edition. 1.6.1170: The latest Steam update (as of early 2024). Step 2: Update the Address Library Select > Details
The most common cause of this error is simply having an old version of the Address Library installed. Visit the on Nexus Mods. Go to the Files tab. Choose carefully: Select > Details
The "Address Library" is a collection of database files that allow mods to work across different versions of the game. For Version 1.6.x (Anniversary Edition): Download the "All in one (Anniversary Edition)" version from the Address Library for SKSE Plugins Nexus Mods For Version 1.5.97 (Special Edition): Download the "All in one (Special Edition)" Select > Details