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Bug: No feedback when acessing protected or invalid notebook IDs

Steps:
Access invalid or inaccessible notebook ID (e.g. https://observablehq.com/d/eb0f603814a2719c)

Expected result:
Page shows 404 Not Found

Actual result:
Page stays blank, shows banner “Welcome. This is live code! Click the left margin to view or edit.”.

Notes:
An initial test actually resulted in an exception loop that spammed analytics and resulted in 100% CPU usage. I wasn’t able to reproduce this case, though.

2 Likes

Apologies for having broken the 404 page. It should now be working again (or not working, depending on your point of view) just as before.