title: What is my error here, shows SQL syntax error?
body: <pre><code>$upper = $this-&gt;db-&gt;query("SELECT * FROM " . DB_PREFIX . "setting WHERE key='ndz_limit_up'");
  $lower = $this-&gt;db-&gt;query("SELECT * FROM " . DB_PREFIX . "setting WHERE key='ndz_limit_down'");
  </code></pre>
  
  <p>Please help.</p>