Engine crashes when I call GiveAbility

I have been following along with the tutorial posted here: A new, community-hosted Unreal Engine Wiki - Announcements - Unreal Engine Forums, and compiling/testing after every step. Once I got to the step of giving the character the abilities it compiles fine but when I play the game, it crashes. There doesn’t seem to be a crash log that I have found. (It may have something to do with possessing, but I’m not sure) Here is my scripts:

Thank you to whoever finds this and tries to answer :wink: Have a great day!