iv class="block">Throws an error that's preventing the period from becoming prepared. Does nothing if no such
 error exists.

 <p>This method is only called before the period has completed preparation.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="MediaPeriod.html#maybeThrowPrepareError()">maybeThrowPrepareError</a></code>&nbsp;in interface&nbsp;<code><a href="MediaPeriod.html" title="interface in com.google.android.exoplayer2.source">MediaPeriod</a></code></