400 error while following SAML authentication walkthrough

I’m following this walkthrough: https://auth0.com/blog/how-saml-authentication-works/
I’ve been able to verify that my setup works fine up to step 7. However, I might have done something wrong during step 8 and during step 9 I get an error that says “We could not reach the server. Please check your connection and try again.” What should I write into the script’s parameters? Or what else could be causing this error?


Hello, Welcome to Auth0 Community!

Could you please share via DM a HAR file of the action?

You can find instructions on how to do it here

Thanks in advance!

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