I created a custom register-trade.phtml for trade customer signups that I am pulling into a CMS page.
The issue is if a customer enters something wrong e.g. their email is already in use it redirects to /customer/account/create/ and shows the normal register form.
This form is different, has different fields and ultimately will not sign the user up in the trade group.
Can I redirect to the trade register page and display the error rather than going to /customer/account/create/ ?