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<p><a href="on-error.html">onError</a></p>
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<code><span class="keyword">abstract</span> <span class="keyword">fun </span><span class="identifier">onError</span><span class="symbol">(</span><span class="identifier" id="com.wideverse.headlesswifimanager.interfaces.AdvertisingCallback$onError(java.lang.Exception)/e">e</span><span class="symbol">:</span>&nbsp;<a href="https://developer.android.com/reference/java/lang/Exception.html"><span class="identifier">Exception</span></a><span cl