2.5.0.beta4로 업그레이드 문제

나도 문제가 있어요. 제 에러는 다음과 같습니다:

Ensuring launcher is up to date
Fetching origin
Launcher is up-to-date
Stopping old container
+ /usr/bin/docker stop -t 10 app
app
cat: templates/sshd.template.yml: No such file or directory
cd /pups && git pull && /pups/bin/pups --stdin
/usr/bin/docker: invalid reference format: repository name must be lowercase.
See '/usr/bin/docker run --help'.
cat: cids/app_bootstrap.cid: No such file or directory
"docker rm" requires at least 1 argument.
See 'docker rm --help'.
Usage:  docker rm [OPTIONS] CONTAINER [CONTAINER...]
Remove one or more containers
rm: cannot remove 'cids/app_bootstrap.cid': No such file or directory
** FAILED TO BOOTSTRAP ** please scroll up and look for earlier error messages, there may be more than one.
./discourse-doctor may help diagnose the problem.

지금까지 Discourse는 잘 작동하고 있었는데…