sg.EffectQuality crash´s the game

Everytime i try to execute sg.EffectQuality it crash´s the game pleas help

Can you post the error log?

ther is no error log it crash´s the editor as well

You should still be access the error log if the editor crashes. See A new, community-hosted Unreal Engine Wiki - Announcements - Unreal Engine Forums

Also, UE 4.22.1 has been released and the notes reference a couple of fixes which might solve your problem: 4.22.1 Hotfix released - Announcements - Unreal Engine Forums

it´s compiling shaders now and its not freezing but ther is a bit of leg when selecting some options