working

app/src/main/java/org/schabi/newpipe/fragments/list/kiosk/DefaultKioskFragment.java

@@ -40,6 +40,13 @@ public class DefaultKioskFragment extends KioskFragment {
 
             final KioskList kioskList = NewPipe.getService(serviceId).getKioskList();
             kioskId = kioskList.getDefaultKioskId();
+            if (kioskId == null) {
+                url = "";
+                name = "";
+                currentInfo = null;
+                currentNextPage = null;
+                return;
+            }
             url = kioskList.getListLinkHandlerFactoryByType(kioskId).fromId(kioskId).getUrl();
 
             kioskTranslatedName = KioskTranslator.getTranslatedKioskName(kioskId, requireContext());

app/src/main/java/org/schabi/newpipe/fragments/list/search/SearchFragment.java

@@ -433,7 +433,7 @@ public class SearchFragment extends BaseListFragment<SearchInfo, ListExtractor.I
             Log.w(TAG, "onCreateOptionsMenu() called with null service");
             updateService();
         }
-
+        if (service.getSearchQHFactory() != null) {
             for (final String filter : service.getSearchQHFactory().getAvailableContentFilter()) {
                 if (filter.equals(YoutubeSearchQueryHandlerFactory.MUSIC_SONGS)) {
                     final MenuItem musicItem = menu.add(2,
@@ -458,6 +458,7 @@ public class SearchFragment extends BaseListFragment<SearchInfo, ListExtractor.I
                     isFirstItem = false;
                 }
             }
+        }
         menu.setGroupCheckable(1, true, true);
 
         restoreFilterChecked(menu, filterItemCheckedId);

app/src/main/java/org/schabi/newpipe/util/KioskTranslator.java

@@ -61,6 +61,9 @@ public final class KioskTranslator {
     }
 
     public static int getKioskIcon(final String kioskId) {
+        if (kioskId == null) {
+            return R.drawable.ic_add_circle_outline;
+        }
         switch (kioskId) {
             case "Trending":
             case "Top 50":