For (often referred to by its build number, which includes the 1170 series), you must use the corresponding version of the Skyrim Script Extender (SKSE64) to ensure your mods function correctly. Essential SKSE Details for Version 1.1170
: Fixes numerous bugs in the original game engine, including the "false save corruption" bug and various performance bottlenecks. skse for skyrim 1147 top
For many users, the "1.1.47.0" version number is a Red Herring. It often appears in the "File Version" field of the SkyrimSE.exe Skyrim Special Edition version 1
Because SKSE interacts directly with the game's memory, If your game updates on Steam, your SKSE must update to match it. which includes the 1170 series)
Despite SKSE's benefits, several challenges and limitations exist: