#unknown-error-1-ffffffffffffffff">11.1. Unknown error -1=ffffffffffffffff</a></li>
<li><a href="#attempt-to-unlock-read-lock-not-locked-by-current-thread">11.2. attempt to unlock read lock, not locked by current thread</a></li>
</ul>
</li>
</ul>
</div>
</div>
<div id="content">
<div class="sect1">
<h2 id="configuration">1. Configuration</h2>
<div class="sectionbody">
<div class="paragraph">
<p>To use delivery, you just have to apply the plugin in your project.</p>
</div>
<div class="listingblock">
<div cla