Is it possible to read the body of a WWW request on a 422 error?

I’m new to using WWW, and I’m trying to use it to log in. If the login fails due to an invalid email address, or an email address that’s already in use I get a 422 error. The body is supposed to give me more detail, specifically which one of those things is going wrong so I can display the right error message. However, when I try to read the www.text it gives me an error message instead saying I can’t read the text when there’s an error code. Is there any way around this?

No.

The WWW class couldn’t even use GET with header data until a version or two ago.