Error: LetsEncrypt account registration 400

[Satont]

Fresh istalled debian 8.8
agreement='https://letsencrypt.org/documents/LE-SA ... 1-2016.pdf' doesnt help me
apt-get install vim-common doesnt help

What i can do :(

[Bubka3]

Use the search feature: viewtopic.php?f=11&t=14296

[jozzeh]

I had this error on a freshly debian 8.8 install.
After some debugging I noticed curl was not installed with SSL.

So when encountering this error:
1. check if curl is installed
2. check if curl has the HTTPS protocol
(command : "curl -V")