Didn't find class on path: DexPathList

E/AndroidRuntime( 2089): Caused by: android.runtime.JavaProxyThrowable: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> Java.Lang.NoClassDefFoundError: md58be56c726d952f1a0d73b5a196744f12/DraggableListView ---> Java.Lang.ClassNotFoundException: Didn't find class "md58be56c726d952f1a0d73b5a196744f12.DraggableListView" on path: DexPathList[[zip file "/data/app/com.companyname.appl-2.apk"],nativeLibraryDirectories=[/data/app-lib/com.companyname.appl-2, /system/lib]]

Solution: make the full build.