When I try to verify the Subscribe to a Platform Event step I am getting the error:

Challenge Not yet complete... here's what's wrong:
The 'cometd' static resource was not found. Check for typos.

The thing is, I am getting the bear watch notifications.  Any idea as to why this error is occurring?

When I try to verify the Subscribe to a Platform Event step I am getting the error:

Challenge Not yet complete... here's what's wrong:
The 'cometd' static resource was not found. Check for typos.

The thing is, I am getting the bear watch notifications.  Any idea as to why this error is occurring?