Can somebody assist me with this error I'm getting with pointers

I am trying to create a card game for an assignment, and I'm having a read access error when trying to end this turn.

header: https://pastebin.com/tAbDmyFY

main code: https://pastebin.com/kQi75h5F

I'd really appreciate if somebody could assist me, as I am lost.

Thank you
Run it under a debugger. It will tell you the exact pointer access that's bad.
What values have you entered to get a read access error?
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