Help with Afk Script

[fallow crown]

So pretty much I have it so that You have money. And for when you get 500 money, you get a rebirth. And then once you have seven rebirths, you get a prestige. And then that will set the original cost Of the rebirth To seven again When it is setting to the original cost, it is breaking

Here is the script I had/useing rn

So then I tried something like this, which it did work, but there would be an error sometimes and completely would break the script The One I sent you isn't the full finished script, but it's. pretty much what it is. I just did a couple changes

And then also, sometimes it would break the system and then it will add and also subtract your money