<p>This issue affected Stack Exchange as a whole.  <strong>It has been fixed</strong> for several minutes now.</p>

<p>More information is available in these Meta questions:</p>

<ul>
<li><a href="http://meta.superuser.com/q/5576/83694">I can post questions, but they don't show up on the front page or anywhere else</a></li>
<li><a href="http://meta.stackexchange.com/q/147246/188803">Is my question (incorrectly) banned due to fighting with spam?</a></li>
</ul>