Elementary

extract($_POST);
$sql = "insert into rec (what, la, lb, lc, story) values (:awhat, :ala, :alb, :alc, :astory)";
$st = $db->prepare($sql);
$st->execute(array(
    ":awhat" => 'lc',
    ":ala" => $_POST['la'],
    ":alb" => $_POST['lb'],
    ":alc" => $_POST['lc'],
    ":astory" => $_POST['story']  // line 184
));
$sql = "delete from lc where id = :aid";
$st = $db->prepare($sql);
$st->execute(array(
    ":aid" => $_POST['lcid']
));