konstantinusz

I can't provide the output of efibootmgr, because since then I tried to modify the NVRAM content with it several times, but without success. I didn't know either, how to...

Okay, problem solved: One should log off from his Google account, and then follow this link in the browser (Chrome works, because must be inspected a cookie value): `https://accounts.google.com/o/oauth2/programmatic_auth?hl=en&scope=https%3A%2F%2Fwww.google.com%2Faccounts%2FOAuthLogin+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fuserinfo.email&client_id=936475272427.apps.googleusercontent.com&access_type=offline&delegated_client_id=183697946088-m3jnlsqshjhh5lbvg05k46q1k4qqtrgn.apps.googleusercontent.com&top_level_cookie=1` And...

Works now, I had to use ` client.createconversation(["109444762308105529580"]) ` instead of ` client.createconversation([109444762308105529580])`