Don't use pawn. Extend the class from actor, and set it to receive input from player 0. Also set the game mode to not spawn a character or pawn. Then if you spawn or place two of your new paddle actors, both of them will react to the button presses properly.
That is basically what I said. If you put a print string after the get p1 move up and print out the value, you will see that one of them will always output 0. If you do some googling youll find out that this is a classic issue. And the reason for it is what I said. 2 pawns cannot be directly controlled using one controller.
If thats the case, I can tell you, it won't work. Two different characters cannot receive input from one controller. But. You can make both to not be a character or pawn, but extended just from actor. Then at the class settings, set both of them to receive input from player 0. Then you don't even need a character, they…