ERROR: duplicate key value violates unique constraint "vevomegrendfej_udx_1" DETAIL: Key (token)=(i16lAZlVEJPunM0igeIG) already exists. ( insert into vevomegrendfej (rogzdatum, devizaid, vevoid, token, rendszerkod, rendszerid, nettoaruertek, bruttoaruertek, nettofuvarktsgalap, bruttofuvarktsgalap, nettofuvarktsg, bruttofuvarktsg, fizetendo) values (now(), '3', NULL, 'i16lAZlVEJPunM0igeIG', 'HU', (select id from rendszerkt where rendszerkod = 'HU_VF'), 0, 0, 0, 0, 0, 0, 0))
ERROR!

        exception 'Exception' with message 'Order head not found!' in /var/www/seweb2/bin/models/OrderHead.php:248
Stack trace:
#0 /var/www/seweb2/bin/components/Cart.php(2174): OrderHead->loadOrderHeadWithoutLoggedIn()
#1 /var/www/seweb2/bin/components/Cart.php(2370): Cart::getOrderHead()
#2 /var/www/seweb2/main.php(56): Cart::loadCartItems()
#3 /var/www/seweb2/pages/product_page.php(4): require_once('/var/www/seweb2...')
#4 {main}