diff --git a/src/com/android/settings/media/MediaOutputIndicatorSlice.java b/src/com/android/settings/media/MediaOutputIndicatorSlice.java
index 75213c0..073682c 100644
--- a/src/com/android/settings/media/MediaOutputIndicatorSlice.java
+++ b/src/com/android/settings/media/MediaOutputIndicatorSlice.java
@@ -65,7 +65,9 @@
     @Override
     public Slice getSlice() {
         if (!isVisible()) {
-            return null;
+            return new ListBuilder(mContext, MEDIA_OUTPUT_INDICATOR_SLICE_URI, ListBuilder.INFINITY)
+                    .setIsError(true)
+                    .build();
         }
         final IconCompat icon = IconCompat.createWithResource(mContext,
                 com.android.internal.R.drawable.ic_settings_bluetooth);
diff --git a/src/com/android/settings/panel/PanelFragment.java b/src/com/android/settings/panel/PanelFragment.java
index 54d9e8d..1f008f1 100644
--- a/src/com/android/settings/panel/PanelFragment.java
+++ b/src/com/android/settings/panel/PanelFragment.java
@@ -53,9 +53,10 @@
 
 import com.google.android.setupdesign.DividerItemDecoration;
 
-import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.LinkedHashMap;
 import java.util.List;
+import java.util.Map;
 
 public class PanelFragment extends Fragment {
 
@@ -86,7 +87,7 @@
     private MetricsFeatureProvider mMetricsProvider;
     private String mPanelClosedKey;
 
-    private final List<LiveData<Slice>> mSliceLiveData = new ArrayList<>();
+    private final Map<Uri, LiveData<Slice>> mSliceLiveData = new LinkedHashMap<>();
 
     @VisibleForTesting
     PanelSlicesLoaderCountdownLatch mPanelSlicesLoaderCountdownLatch;
@@ -97,14 +98,14 @@
 
     private final ViewTreeObserver.OnGlobalLayoutListener mOnGlobalLayoutListener =
             new ViewTreeObserver.OnGlobalLayoutListener() {
-        @Override
-        public void onGlobalLayout() {
-            animateIn();
-            if (mPanelSlices != null) {
-                mPanelSlices.getViewTreeObserver().removeOnGlobalLayoutListener(this);
-            }
-        }
-    };
+                @Override
+                public void onGlobalLayout() {
+                    animateIn();
+                    if (mPanelSlices != null) {
+                        mPanelSlices.getViewTreeObserver().removeOnGlobalLayoutListener(this);
+                    }
+                }
+            };
 
     private PanelSlicesAdapter mAdapter;
 
@@ -121,9 +122,9 @@
      * Animate the old panel out from the screen, then update the panel with new content once the
      * animation is done.
      * <p>
-     *     Takes the entire panel and animates out from behind the navigation bar.
+     * Takes the entire panel and animates out from behind the navigation bar.
      * <p>
-     *     Call createPanelContent() once animation end.
+     * Call createPanelContent() once animation end.
      */
     void updatePanelWithAnimation() {
         final View panelContent = mLayoutView.findViewById(R.id.panel_container);
@@ -210,10 +211,14 @@
         mPanelSlicesLoaderCountdownLatch = new PanelSlicesLoaderCountdownLatch(sliceUris.size());
 
         for (Uri uri : sliceUris) {
-            final LiveData<Slice> sliceLiveData = SliceLiveData.fromUri(getActivity(), uri);
+            final LiveData<Slice> sliceLiveData = SliceLiveData.fromUri(getActivity(), uri,
+                    (int type, Throwable source)-> {
+                            removeSliceLiveData(uri);
+                            mPanelSlicesLoaderCountdownLatch.markSliceLoaded(uri);
+                    });
 
             // Add slice first to make it in order.  Will remove it later if there's an error.
-            mSliceLiveData.add(sliceLiveData);
+            mSliceLiveData.put(uri, sliceLiveData);
 
             sliceLiveData.observe(getViewLifecycleOwner(), slice -> {
                 // If the Slice has already loaded, do nothing.
@@ -238,12 +243,7 @@
                  */
                 final SliceMetadata metadata = SliceMetadata.from(getActivity(), slice);
                 if (slice == null || metadata.isErrorSlice()) {
-                    final List<String> whiteList = Arrays.asList(
-                            getResources().getStringArray(
-                                    R.array.config_panel_keep_observe_uri));
-                    if (!whiteList.contains(uri.toString())) {
-                        mSliceLiveData.remove(sliceLiveData);
-                    }
+                    removeSliceLiveData(uri);
                     mPanelSlicesLoaderCountdownLatch.markSliceLoaded(uri);
                 } else if (metadata.getLoadingState() == SliceMetadata.LOADED_ALL) {
                     mPanelSlicesLoaderCountdownLatch.markSliceLoaded(uri);
@@ -260,12 +260,21 @@
         }
     }
 
+    private void removeSliceLiveData(Uri uri) {
+        final List<String> whiteList = Arrays.asList(
+                getResources().getStringArray(
+                        R.array.config_panel_keep_observe_uri));
+        if (!whiteList.contains(uri.toString())) {
+            mSliceLiveData.remove(uri);
+        }
+    }
+
     /**
      * When all of the Slices have loaded for the first time, then we can setup the
      * {@link RecyclerView}.
      * <p>
-     *     When the Recyclerview has been laid out, we can begin the animation with the
-     *     {@link mOnGlobalLayoutListener}, which calls {@link #animateIn()}.
+     * When the Recyclerview has been laid out, we can begin the animation with the
+     * {@link mOnGlobalLayoutListener}, which calls {@link #animateIn()}.
      */
     private void loadPanelWhenReady() {
         if (mPanelSlicesLoaderCountdownLatch.isPanelReadyToLoad()) {
@@ -286,9 +295,9 @@
     /**
      * Animate a Panel onto the screen.
      * <p>
-     *     Takes the entire panel and animates in from behind the navigation bar.
+     * Takes the entire panel and animates in from behind the navigation bar.
      * <p>
-     *     Relies on the Panel being having a fixed height to begin the animation.
+     * Relies on the Panel being having a fixed height to begin the animation.
      */
     private void animateIn() {
         final View panelContent = mLayoutView.findViewById(R.id.panel_container);
@@ -319,7 +328,7 @@
         animatorSet.setInterpolator(new DecelerateInterpolator());
         animatorSet.playTogether(
                 ObjectAnimator.ofFloat(sheet, View.TRANSLATION_Y, startY, endY),
-                ObjectAnimator.ofFloat(sheet, View.ALPHA, startAlpha,endAlpha));
+                ObjectAnimator.ofFloat(sheet, View.ALPHA, startAlpha, endAlpha));
         return animatorSet;
     }
 
diff --git a/src/com/android/settings/panel/PanelSlicesAdapter.java b/src/com/android/settings/panel/PanelSlicesAdapter.java
index 21e1b3a..60c434d 100644
--- a/src/com/android/settings/panel/PanelSlicesAdapter.java
+++ b/src/com/android/settings/panel/PanelSlicesAdapter.java
@@ -20,6 +20,7 @@
 
 import android.app.settings.SettingsEnums;
 import android.content.Context;
+import android.net.Uri;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -38,6 +39,7 @@
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
 
 /**
  * RecyclerView adapter for Slices in Settings Panels.
@@ -56,9 +58,9 @@
     private final PanelFragment mPanelFragment;
 
     public PanelSlicesAdapter(
-            PanelFragment fragment, List<LiveData<Slice>> sliceLiveData, int metricsCategory) {
+            PanelFragment fragment, Map<Uri, LiveData<Slice>> sliceLiveData, int metricsCategory) {
         mPanelFragment = fragment;
-        mSliceLiveData = new ArrayList<>(sliceLiveData);
+        mSliceLiveData = new ArrayList<>(sliceLiveData.values());
         mMetricsCategory = metricsCategory;
     }
 
diff --git a/tests/robotests/src/com/android/settings/media/MediaOutputIndicatorSliceTest.java b/tests/robotests/src/com/android/settings/media/MediaOutputIndicatorSliceTest.java
index ca9c6b9..3b5a349 100644
--- a/tests/robotests/src/com/android/settings/media/MediaOutputIndicatorSliceTest.java
+++ b/tests/robotests/src/com/android/settings/media/MediaOutputIndicatorSliceTest.java
@@ -17,6 +17,8 @@
 
 package com.android.settings.media;
 
+import static android.app.slice.Slice.HINT_ERROR;
+
 import static com.google.common.truth.Truth.assertThat;
 
 import static org.mockito.Mockito.spy;
@@ -110,11 +112,13 @@
     }
 
     @Test
-    public void getSlice_noConnectedDevice_returnNull() {
+    public void getSlice_noConnectedDevice_returnErrorSlice() {
         mDevicesList.clear();
         when(mA2dpProfile.getConnectedDevices()).thenReturn(mDevicesList);
 
-        assertThat(mMediaOutputIndicatorSlice.getSlice()).isNull();
+        final Slice mediaSlice = mMediaOutputIndicatorSlice.getSlice();
+        final SliceMetadata metadata = SliceMetadata.from(mContext, mediaSlice);
+        assertThat(metadata.isErrorSlice()).isTrue();
     }
 
     @Test
@@ -129,6 +133,7 @@
         assertThat(metadata.getTitle()).isEqualTo(mContext.getText(R.string.media_output_title));
         assertThat(metadata.getSubtitle()).isEqualTo(mContext.getText(
                 R.string.media_output_default_summary));
+        assertThat(metadata.isErrorSlice()).isFalse();
     }
 
     @Test
@@ -141,6 +146,7 @@
         final SliceMetadata metadata = SliceMetadata.from(mContext, mediaSlice);
         assertThat(metadata.getTitle()).isEqualTo(mContext.getText(R.string.media_output_title));
         assertThat(metadata.getSubtitle()).isEqualTo(TEST_A2DP_DEVICE_NAME);
+        assertThat(metadata.isErrorSlice()).isFalse();
     }
 
     @Test
@@ -154,32 +160,39 @@
         final SliceMetadata metadata = SliceMetadata.from(mContext, mediaSlice);
         assertThat(metadata.getTitle()).isEqualTo(mContext.getText(R.string.media_output_title));
         assertThat(metadata.getSubtitle()).isEqualTo(TEST_HAP_DEVICE_NAME);
+        assertThat(metadata.isErrorSlice()).isFalse();
     }
 
     @Test
-    public void getSlice_audioModeIsInCommunication_returnNull() {
+    public void getSlice_audioModeIsInCommunication_returnErrorSlice() {
         mDevicesList.add(mA2dpDevice);
         when(mA2dpProfile.getConnectedDevices()).thenReturn(mDevicesList);
         mAudioManager.setMode(AudioManager.MODE_IN_COMMUNICATION);
 
-        assertThat(mMediaOutputIndicatorSlice.getSlice()).isNull();
+        final Slice mediaSlice = mMediaOutputIndicatorSlice.getSlice();
+        final SliceMetadata metadata = SliceMetadata.from(mContext, mediaSlice);
+        assertThat(metadata.isErrorSlice()).isTrue();
     }
 
     @Test
-    public void getSlice_audioModeIsRingtone_returnNull() {
+    public void getSlice_audioModeIsRingtone_returnErrorSlice() {
         mDevicesList.add(mA2dpDevice);
         when(mA2dpProfile.getConnectedDevices()).thenReturn(mDevicesList);
         mAudioManager.setMode(AudioManager.MODE_RINGTONE);
 
-        assertThat(mMediaOutputIndicatorSlice.getSlice()).isNull();
+        final Slice mediaSlice = mMediaOutputIndicatorSlice.getSlice();
+        final SliceMetadata metadata = SliceMetadata.from(mContext, mediaSlice);
+        assertThat(metadata.isErrorSlice()).isTrue();
     }
 
     @Test
-    public void getSlice_audioModeIsInCall_returnNull() {
+    public void getSlice_audioModeIsInCall_returnErrorSlice() {
         mDevicesList.add(mA2dpDevice);
         when(mA2dpProfile.getConnectedDevices()).thenReturn(mDevicesList);
         mAudioManager.setMode(AudioManager.MODE_IN_CALL);
 
-        assertThat(mMediaOutputIndicatorSlice.getSlice()).isNull();
+        final Slice mediaSlice = mMediaOutputIndicatorSlice.getSlice();
+        final SliceMetadata metadata = SliceMetadata.from(mContext, mediaSlice);
+        assertThat(metadata.isErrorSlice()).isTrue();
     }
 }
diff --git a/tests/robotests/src/com/android/settings/panel/PanelSlicesAdapterTest.java b/tests/robotests/src/com/android/settings/panel/PanelSlicesAdapterTest.java
index 922e629..89288f6 100644
--- a/tests/robotests/src/com/android/settings/panel/PanelSlicesAdapterTest.java
+++ b/tests/robotests/src/com/android/settings/panel/PanelSlicesAdapterTest.java
@@ -49,7 +49,9 @@
 import org.robolectric.android.controller.ActivityController;
 
 import java.util.ArrayList;
+import java.util.LinkedHashMap;
 import java.util.List;
+import java.util.Map;
 
 @RunWith(RobolectricTestRunner.class)
 public class PanelSlicesAdapterTest {
@@ -61,7 +63,7 @@
     private PanelFeatureProvider mPanelFeatureProvider;
     private FakeFeatureFactory mFakeFeatureFactory;
     private FakePanelContent mFakePanelContent;
-    private List<LiveData<Slice>> mData = new ArrayList<>();
+    private Map<Uri, LiveData<Slice>> mData = new LinkedHashMap<>();
 
     @Before
     public void setUp() {
@@ -93,7 +95,7 @@
         doReturn(uri).when(slice).getUri();
         final LiveData<Slice> liveData = mock(LiveData.class);
         when(liveData.getValue()).thenReturn(slice);
-        mData.add(liveData);
+        mData.put(uri, liveData);
     }
 
     @Test
@@ -111,7 +113,7 @@
     @Test
     public void sizeOfAdapter_shouldNotExceedMaxNum() {
         for (int i = 0; i < MAX_NUM_OF_SLICES + 2; i++) {
-            addTestLiveData(DATA_URI);
+            addTestLiveData(Uri.parse("uri" + i));
         }
 
         assertThat(mData.size()).isEqualTo(MAX_NUM_OF_SLICES + 2);
diff --git a/tests/robotests/src/com/android/settings/security/OwnerInfoPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/security/OwnerInfoPreferenceControllerTest.java
index c472922..0130aa1 100644
--- a/tests/robotests/src/com/android/settings/security/OwnerInfoPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/security/OwnerInfoPreferenceControllerTest.java
@@ -187,8 +187,6 @@
 
         preference.performClick();
 
-        // Called once in setTargetFragment, and a second time to display the fragment.
-        verify(mFragment, times(2)).getFragmentManager();
         verify(mFragment.getFragmentManager().beginTransaction())
                 .add(any(OwnerInfoSettings.class), anyString());
     }