[Packet Tracer] What's wrong with my OSPF configuration?

Hello, I hope this is the right subreddit for this question!

I'm doing a mock Skill Assessment for my course, and I'm stuck on the OSPF part. I've got Static Routing to work. But whenever I use OSPF, I can't ping from PC-PT to the Buffalo router or from the Switch to the Boston router.

Any idea what I've missed here?

Here's the network

And the relevant config commands