Make a backup of your project before following this guide!
Projects using engine versions older the 5.5 follow the guides linked below before this guide
https://defusestudios.com/sgkv2documentation/#Engine-Upgrade
Upgrade from UE5.5 to UE5.6
If your using a version of SGKv2 thats 2.4.8 or newer you don’t need to follow the guides linked below, just open your project in 5.6 and it should work.
When your upgrading your project from UE5.5 to UE5.6 you can follow the guides below.
Defuse Studios 