I just tried to remove all of the check boxes and dropdown lists thinking that was what was causing the issue but now get....
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /home/acadia/public_html/webassist/email/waue_dealer_online_form_2.php on line 794
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /home/acadia/public_html/webassist/email/waue_dealer_online_form_2.php on line 794
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /home/acadia/public_html/webassist/email/waue_dealer_online_form_2.php on line 794
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /home/acadia/public_html/webassist/email/waue_dealer_online_form_2.php on line 794
Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /home/acadia/public_html/webassist/email/waue_dealer_online_form_2.php:794) in /home/acadia/public_html/webassist/email/mail_php.php on line 285
Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/acadia/public_html/webassist/email/waue_dealer_online_form_2.php:794) in /home/acadia/public_html/webassist/email/mail_php.php on line 285
Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /home/acadia/public_html/webassist/email/waue_dealer_online_form_2.php:794) in /home/acadia/public_html/dealer_online_form.php on line 104
Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/acadia/public_html/webassist/email/waue_dealer_online_form_2.php:794) in /home/acadia/public_html/dealer_online_form.php on line 104
Warning: Cannot modify header information - headers already sent by (output started at /home/acadia/public_html/webassist/email/waue_dealer_online_form_2.php:794) in /home/acadia/public_html/dealer_online_form.php on line 106
I have reattached these updated files - perhaps you want to look at both sets to see what UE4 is doing. This all worked with UE3 and perhaps I need to switch back.