What does Exodus 17:1 mean?

The whole community of Israel left the Desert of Sin and traveled from place to place, just like the Lord told them. They set up camp at Rephidim, but there wasn’t any water there for the people to drink. Exodus 17:1 - Modern Text Bible

(The Israelites are following God’s guidance, but they end up somewhere with no water, setting up the conflict that follows.)