Scrum Master: know when your team needs to abandon Scrum!
Scrum doesn't always fit
Scrum is a widely applicable framework. Many product environments are well-served with Scrum. But it is not a cure-all. Scrum isn’t suited for every environment. Also, there are limits to what a team can do in an environment that doesn’t accept the consequences of adopting Scrum.
Scrum doesn’t always work. When it doesn’t fit …