How do you solve the error KeyError: 'A secret key is required to use CSRF.' when using a wtform in flask application?

Question

I have been trying to build a web app using flask and wtforms and a firebase database, but I keep getting the error message \"KeyError: \'A secret key is required to use CSRF.\'

Answer 1

Add this line to your app code:

app.config['SECRET_KEY'] = 'any secret string'