O365 SSO with Google - Getting AADSTS20001 error

I read the post “Signing into Microsoft Office 365 with Google Apps” at

Having a few trials to tweak the rule, now I come to a point reaching the MS page with error:
“Sign in
Sorry, but we’re having trouble signing you in.
AADSTS20001: Signin response message does not contain an issued token.”

Any insight?

some bugs in the Rules in the post.
for the function assignOffice365License(), should add method:‘POST’ in options, or else it won’t work.

but now there is another problem.

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