Duplicate symbol show with Xcode8
<ul>
<li>my project running was fine yesterday, but after update Xcode8, same project can't build with this error:</li>
</ul>

<p><a href="http://i.stack.imgur.com/U96YE.png" rel="nofollow">libUMSCashierPlugin.a</a></p>

<p>I have try <code>lipo</code> and <code>ar</code>, nothing working, and when I build with Xcode7.3.1, nothing happen, no warning, no error. How can I fix it?</p>