4 - make sure you are able to repro it on the latest released version.
5 You can install the latest version by: `acme.sh --upgrade`
7 - Search the existing issues.
8 - Refer to the [WIKI](https://wiki.acme.sh).
9 - Debug info [Debug](https://github.com/Neilpang/acme.sh/wiki/How-to-debug-acme.sh).
22 acme.sh --issue ..... --debug 2