요약 이메일이 모든 사용자에게 전송되지 않음 – 디버깅 도움 필요

I am assisting @emonunix on this. It appears we have a sidekiq job running every 30 minutes related to this process - without knowing how to troubleshoot this job it appears to run without issue. here is the current status.

Perhaps there other places to look for failures?