Сама ошибка
Warning: mysqli_fetch_assoc() expects parameter 1 to be mysqli_result, boolean given in /home/c/cq62473/public_html/form/account.php on line 15
Warning: mysqli_fetch_assoc() expects parameter 1 to be mysqli_result, boolean given in /home/c/cq62473/public_html/form/account.php on line 17
Строки
$Row = mysqli_fetch_assoc(mysqli_query($CONNECT, "SELECT `login` FROM `users` WHERE `login` = '$_POST[login]'"));
if ($Row['login']) exit('Логин '.$_POST['login'].' уже используеться.');
$Row = mysqli_fetch_assoc(mysqli_query($CONNECT, "SELECT `email` FROM `users` WHERE `email` = '$_POST[email]'"));
if ($Row['email']) exit('E-Mail '.$_POST['email'].' уже используеться.');