Someone cannot open my form

#"This form is not available"

The form is a draft, or it has been unpublished. Publish it and the link works again.

#The closing message

The form is closed. Reopen it to take answers again.

#A page that does not load at all

The link is wrong. Compare it against the link in the Share modal, character for character. A changed handle or slug is the usual cause.

#It works for you but not for them

You are signed in and they are not. Open the public link in a private window to see exactly what a respondent sees.