SyntaxError: Unexpected token j in JSON at position 15

I tried to check if email and password are correct and this massage was appear:

How I found the problem?
Thank you

Hey there!

I’m afraid we need a little bit more information in order to help you. Could you post a sample of your code so we can see where this could be coming from? It’s a bit hard to tell from just the stack trace.

That’s the code (the photos are arranged in order):


I forgot to quote you lol
My comment is up ^^