Status 404

[djtdjt]

When someone sends me an email with a link attached to something like YouTube why do some connect okay and others come up with a message http status 404 cp images invalid ?

[Jomlett]

The sender might have missed a letter or number in the link.

[1ozzy]

https://en.wikipedia.org/wiki/HTTP_404

[waterboatman]

I never knew that!