This is a high-risk deployment. You cannot deploy '{0}' with a purpose of Required to the '{1}' collection because it contains ...

This is a high-risk deployment.

You cannot deploy '{0}' with a purpose of Required to the '{1}' collection because it contains {2} clients that host one or more site system roles. Do one of the following to resolve this:
- Select a different collection
- Change the deployment type to Available
- Remove clients that host site system roles from the selected collection.