Hi. I was playing on a custom modpack I made and just installed the latest version of Security craft, [1.12.2] SecurityCraft v1.9.0.2.jar, and my game crashed as soon as it tried to load the game.

If the issue seems to affect only one mod, report to them instead of here. Remove NEI and FEI to see if they are causing the issue before reporting. If you crashed, please paste the crash log to gist ...