[SOLVED] Prestashop 1.6.x How to fix bug "unable to send login informations" when create account one page check out ( New fashion store)

After you add to cart and go to check out page , create account and it show bug "unable to send login informations"

with theme new fashion store use header default, please edit file nav.tpl(root\themes\pf_newfashionstore\modules\blockuserinfo)

remove this code 

{if file_exists("$THEME_SKIN_DIR./modules/blockuserinfo/nav.tpl")}
            {include file="$THEME_SKIN_DIR./modules/blockuserinfo/nav.tpl"}