The document outlines 21 challenges faced by Scrum Masters, including failing to meet commitments, poor estimations, lack of focus on sprint work, disorganized sprint reviews, low collaboration, insufficient ticket information, frequent scope changes, delivering nothing at the end of sprints, low motivation, reprioritizing features mid-sprint, lack of communication of company strategy and roadmap, inadequate backlog grooming, unclear quality ownership, poor timekeeping, lack of development improvements, teams that do not care about quality, lack of code transparency, insufficient test automation, deficient triage processes, limited DevOps practices, and code not being checked in daily.