https://devzone.nordicsemi.com/f/nordic-q-a/4561/nrftoolbox-dexdebug-errorHi, I am trying to run nRFToolbox App, I imported the project to Android Studio but I get the following error when I attempt to run it: Error:Execution failed for task &#39;:nRFToolbox:dexDebug&#39;. com.android.ide.common.internal.LoggedErrorExceptionen-USTelligent Community 13Fri, 19 Dec 2014 04:52:32 GMThttps://devzone.nordicsemi.com/thread/16176?ContentTypeID=1Fri, 19 Dec 2014 04:52:32 GMT137ad170-7792-4731-bb38-c0d22fbe4515:530ce88b-5ad0-47ac-abcc-1aacf118b359lhyunh<p>Maybe this <a href="http://stackoverflow.com/a/27433661">Link</a> is help you.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/16175?ContentTypeID=1Fri, 28 Nov 2014 23:49:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7fcec1d7-d263-4da6-9218-11ed09b4d81bStepan Boltalin<p>have the same error.</p> <p>If I add</p> <pre><code>android{ dexOptions { preDexLibraries = false } } </code></pre> <p>The error is</p> <pre><code>Error:Class no.nordicsemi.android.log.LogContract.Application has already been added to output. Please remove duplicate copies. </code></pre><div style="clear:both;"></div>