Platform:
Browser, if a website issue: Firefox
URLs (aka web addresses) of any relevant observations or pages: https://www.inaturalist.org/observations
Screenshots of what you are seeing:
Description of problem:
The main page for observations should not show observations that 404. I am not sure how often this happens because this is the first time I am seeing this, but it should be possible to check that observations haven’t been deleted before showing them on the landing page.