Erro Android Studio

E/AndroidRuntime: FATAL EXCEPTION: main
                                                                          Process: br.com.marques.achepizza, PID: 19199
                                                                          java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{br.com.marques.achepizza/br.com.marques.achepizza.LoginActivity}: java.lang.ClassNotFoundException: Didn't find class "br.com.marques.achepizza.LoginActivity" on path: DexPathList[[zip file "/data/app/br.com.marques.achepizza-2/base.apk"],nativeLibraryDirectories=[/data/app/br.com.marques.achepizza-2/lib/arm, /vendor/lib, /system/lib]]
                                                                              at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2337)
                                                                              at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2490)
                                                                              at android.app.ActivityThread.-wrap11(ActivityThread.java)
                                                                              at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1354)
                                                                              at android.os.Handler.dispatchMessage(Handler.java:102)
                                                                              at android.os.Looper.loop(Looper.java:148)
                                                                              at android.app.ActivityThread.main(ActivityThread.java:5443)
                                                                              at java.lang.reflect.Method.invoke(Native Method)
                                                                              at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:728)
                                                                              at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
                                                                           Caused by: java.lang.ClassNotFoundException: Didn't find class "br.com.marques.achepizza.LoginActivity" on path: DexPathList[[zip file "/data/app/br.com.marques.achepizza-2/base.apk"],nativeLibraryDirectories=[/data/app/br.com.marques.achepizza-2/lib/arm, /vendor/lib, /system/lib]]
                                                                              at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
                                                                              at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
                                                                              at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
                                                                              at android.app.Instrumentation.newActivity(Instrumentation.java:1090)
                                                                              at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2327)
                                                                              at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2490) 
                                                                              at android.app.ActivityThread.-wrap11(ActivityThread.java) 
                                                                              at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1354) 
                                                                              at android.os.Handler.dispatchMessage(Handler.java:102) 
                                                                              at android.os.Looper.loop(Looper.java:148) 
                                                                              at android.app.ActivityThread.main(ActivityThread.java:5443) 
                                                                              at java.lang.reflect.Method.invoke(Native Method) 
                                                                              at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:728) 
                                                                              at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 
                                                                          	Suppressed: java.lang.ClassNotFoundException: Didn't find class "br.com.marques.achepizza.LoginActivity" on path: DexPathList[[dex file "/data/data/br.com.marques.achepizza/files/instant-run/dex/slice-support-annotations-24.2.0_2f58f6366af90561168d48afa8734a6aa718a861-classes.dex", dex file "/data/data/br.com.marques.achepizza/files/instant-run/dex/slice-slice_9-classes.dex", dex file "/data/data/br.com.marques.achepizza/files/instant-run/dex/slice-slice_8-classes.dex", dex file "/data/data/br.com.marques.achepizza/files/instant-run/dex/slice-slice_7-classes.dex", dex file "/data/data/br.com.marques.achepizza/files/instant-run/dex/slice-slice_6-classes.dex", dex file "/data/data/br.com.marques.achepizza/files/instant-run/dex/slice-slice_5-classes.dex", dex file "/data/data/br.com.marques.achepizza/files/instant-run/dex/slice-slice_4-classes.dex", dex file "/data/data/br.com.marques.achepizza/files/instant-run/dex/slice-slice_3-classes.dex", dex file "/data/data/br.com.marques.achepizza/files/instant-run/dex/slice-slice_2-classes.dex", dex file "/data/data/br.com.marques.achepizza/files/instant-run/dex/slice-slice_1-classes.dex", dex file "/data/data/br.com.marques.achepizza/files/instant-run/dex/slice-slice_0-classes.dex", dex file "/data/data/br.com.marques.achepizza/files/instant-run/dex/slice-internal_impl-24.2.0_cc8f28da2f4919e905b8efc0535440ffd8c77e76-classes.dex", dex file "/data/data/br.com.marques.achepizza/files/instant-run/dex/slice-internal_impl-24.2.0_bbeb865a85713096ee6648fb0a6a22e43a87ec74-classes.dex", dex file "/data/data/br.com.marques.achepizza/files/instant-run/dex/slice-internal_impl-24.2.0_a089dd5efe2a2a8fb357e805f7669dfc39510d36-classes.dex", dex file "/data/data/br.com.marques.achepizza/files/instant-run/dex/slice-internal_impl-24.2.0_978e4447aedc7fe9b3fff3f4fb6e24f6a577b4fc-classes.dex", dex file "/data/data/br.com.marques.achepizza/files/instant-run/dex/slice-internal_impl-24.2.0_03e146bb02585fdc6a34cc96f36442905eddd199-classes.dex", dex file "/data/data/br.com.marques.achepizza/files/instant-run/dex/slice-com.android.support-support-vector-drawable-24.2.0_5aea08f3c3645239ca3ab93205273c831d33c69c-classes.dex", dex file "/data/data/br.com.marques.achepizza/files/instant-run/dex/slice-com.android.support-support-v4-24.2.0_b869d