<?php require_once('db.php'); ini_set('display_errors', 1); ini_set('error_reporting', E_ALL); $link = mysqli_connect($db_host, $db_user, $db_pass, $db_name); if (!$link) { die('<p style="color:red">'.mysqli_connect_errno().' - '.mysqli_connect_error().'</p>'); } $rank1 = $_POST['rank1']; $rank2 = $_POST['rank2']; $cena = $_POST['paymentamount']; $steam = $_POST['steam']; $skype = $_POST['skype']; $nomerz = rand(10000, 99999); $query = mysqli_query($link, "INSERT INTO order_boost (rank1,rank2,cena,steam,skype,nomerz) VALUES ($rank1, $rank2, $cena, $steam, $skype, $nomerz)"); if ($query) { echo "Запрос успешно выполнен!"; } else { echo "Ошибка"; } mysqli_close($link); ?> But the request is not executed, "error" is displayed