So I checked the redirection list in Settings > Domain & URLs > URL Redirects. I found that a redirection was registered not with the original URL (1), but with the following:
Thanks for checking!
My company doesn’t want this error to be publicly known, so I made up the “domain.co.kr/” part. I’ve added a capture of the actual error screen.
The below image is a screenshot for 404 error
@YCho4 I’m sorry about that, I clicked the links by default without reading what the domain was
Thank you for the screenshots - as a next step, I would export your redirects from HubSpot and sort them, then search for the URL in question to see if you have multiple redirects or a chain of redirects.
This will cause the page not to load because it has to go from the URL for page A to B to C to D, etc. and the browser thinks there is something wrong.