Finding an item in a Google Sheets list

In the signup page of my app, I’m trying to implement a functionality that makes it so that a user can’t make an account if there is already an account with that email address, but my code isn’t working. I’m storing my user data (such as email address) in a Google sheet. Any suggestions?

Can you show all of your sign in blocks?

One mistake you’ve made is that the find first occurence of item block returns an integer value representing the row # where the search term is found or zero (0) if it doesn’t exist. So don’t compare it to true… instead check to see if the occurrence is greater than zero.

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