An error occured while executing doInBackground()

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    • java.lang.RuntimeException: An error occured while executing doInBackground() at android.os.AsyncTask$3.done( at java.util.concurrent.FutureTask.finishCompletion( at java.util.concurrent.FutureTask.setException( at at android.os.AsyncTask$SerialExecutor$ at java.util.concurrent.ThreadPoolExecutor.runWorker( at java.util.concurrent.ThreadPoolExecutor$ at Caused by: lejos.remote.ev3.RemoteRequestException: java.lang.ClassNotFoundException: java.lang.ReflectiveOperationException at lejos.remote.ev3.RemoteRequestSampleProvider.sendRequest( at lejos.remote.ev3.RemoteRequestSampleProvider.<init>( at lejos.remote.ev3.RemoteRequestEV3.createSampleProvider( at com.example.ev3.MainActivity$Control.doInBackground( at com.example.ev3.MainActivity$Control.doInBackground( at android.os.AsyncTask$ at ... 4 more Caused by: java.lang.ClassNotFoundException: java.lang.ReflectiveOperationException at java.lang.Class.classForName(Native Method) at java.lang.Class.forName( at at at at at at at at at at at at at at at at at at lejos.remote.ev3.RemoteRequestSampleProvider.sendRequest( ... 10 more Caused by: java.lang.NoClassDefFoundError: java/lang/ReflectiveOperationException ... 30 more Caused by: java.lang.ClassNotFoundException: Didn't find class "java.lang.ReflectiveOperationException" on path: DexPathList[[zip file "/data/app/com.example.ev3-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.example.ev3-1, /system/lib]] at dalvik.system.BaseDexClassLoader.findClass( at java.lang.ClassLoader.loadClass( at java.lang.ClassLoader.loadClass( ... 30 more

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