To get the Creation Kit (CK) working correctly for Skyrim SE version 1.5.97, you need a matching version of the executable and specific .ini tweaks to bypass modern errors. 1. Essential .ini Tweaks
This ensures the CK actually sees the game assets and allows you to work on complex mods. 4. Handling Scripts creation kit skyrim se 1.5.97
Installation: Replace the CreationKit.exe in your game folder with the downgraded version. To get the Creation Kit (CK) working correctly