Help with scoreboard adding 😭

I want to request help from the Mcreator community as I have been trying to take a crack at this for a while now and I don't know what is the problem. 

photos if anyone is interested in helping me :D thanks in advance!

https://www.dropbox.com/scl/fi/ccb4b7qm7bhsjeboz5k3k/image_2024-03-02_003514753.png?rlkey=snhs64kfonz3uo8x59pd9ca39&dl=0

https://www.dropbox.com/scl/fi/7a8wydcnbeyrkzi29hds5/Screenshot-2024-03-02-002053.png?rlkey=aei9m19pu1vqax5pipnbqqdkv&dl=0