[..., 11:04:25 (UTC+0200)] Installing from online archive.
[..., 11:04:25 (UTC+0200)] Downloading https://github.com/acmesh-official/acme.sh/archive/master.tar.gz
[..., 11:04:25 (UTC+0200)] Please refer to https://curl.haxx.se/libcurl/c/libcurl-errors.html for error code: 35
[..., 11:04:25 (UTC+0200)] Download error.
CURLE_SSL_CONNECT_ERROR (35)
A problem occurred somewhere in the SSL/TLS handshake. You really want the error buffer and read the message there as it pinpoints the problem slightly more. Could be certificates (file formats, paths, permissions), passwords, and others.