diff --git a/mastodon/build.gradle b/mastodon/build.gradle
index d031144b..21af4311 100644
--- a/mastodon/build.gradle
+++ b/mastodon/build.gradle
@@ -9,8 +9,8 @@ android {
 		applicationId "org.joinmastodon.android"
 		minSdk 23
 		targetSdk 31
-		versionCode 36
-		versionName "1.1.0"
+		versionCode 37
+		versionName "1.1.1"
 		testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 	}
 
diff --git a/mastodon/src/main/java/org/joinmastodon/android/api/MastodonErrorResponse.java b/mastodon/src/main/java/org/joinmastodon/android/api/MastodonErrorResponse.java
index 74f6ccdd..4e24629e 100644
--- a/mastodon/src/main/java/org/joinmastodon/android/api/MastodonErrorResponse.java
+++ b/mastodon/src/main/java/org/joinmastodon/android/api/MastodonErrorResponse.java
@@ -26,6 +26,8 @@ public class MastodonErrorResponse extends ErrorResponse{
 
 	@Override
 	public void showToast(Context context){
+		if(context==null)
+			return;
 		Toast.makeText(context, error, Toast.LENGTH_SHORT).show();
 	}
 }
diff --git a/mastodon/src/main/java/org/joinmastodon/android/fragments/ComposeFragment.java b/mastodon/src/main/java/org/joinmastodon/android/fragments/ComposeFragment.java
index f7d53fbc..b2105f6b 100644
--- a/mastodon/src/main/java/org/joinmastodon/android/fragments/ComposeFragment.java
+++ b/mastodon/src/main/java/org/joinmastodon/android/fragments/ComposeFragment.java
@@ -609,6 +609,7 @@ public class ComposeFragment extends MastodonToolbarFragment implements OnBackPr
 					@Override
 					public void onSuccess(Status result){
 						wm.removeView(sendingOverlay);
+						sendingOverlay=null;
 						Nav.finish(ComposeFragment.this);
 						E.post(new StatusCreatedEvent(result));
 						if(replyTo!=null){
@@ -620,6 +621,7 @@ public class ComposeFragment extends MastodonToolbarFragment implements OnBackPr
 					@Override
 					public void onError(ErrorResponse error){
 						wm.removeView(sendingOverlay);
+						sendingOverlay=null;
 						sendProgress.setVisibility(View.GONE);
 						sendError.setVisibility(View.VISIBLE);
 						publishButton.setEnabled(true);
@@ -647,6 +649,8 @@ public class ComposeFragment extends MastodonToolbarFragment implements OnBackPr
 			confirmDiscardDraftAndFinish();
 			return true;
 		}
+		if(sendingOverlay!=null)
+			return true;
 		return false;
 	}
 
diff --git a/mastodon/src/main/java/org/joinmastodon/android/fragments/ProfileFragment.java b/mastodon/src/main/java/org/joinmastodon/android/fragments/ProfileFragment.java
index eb602005..4f0907e3 100644
--- a/mastodon/src/main/java/org/joinmastodon/android/fragments/ProfileFragment.java
+++ b/mastodon/src/main/java/org/joinmastodon/android/fragments/ProfileFragment.java
@@ -128,6 +128,7 @@ public class ProfileFragment extends LoaderFragment implements OnBackPressedList
 	private View fab;
 	private WindowInsets childInsets;
 	private PhotoViewer currentPhotoViewer;
+	private boolean editModeLoading;
 
 	public ProfileFragment(){
 		super(R.layout.loader_fragment_overlay_toolbar);
@@ -664,17 +665,26 @@ public class ProfileFragment extends LoaderFragment implements OnBackPressedList
 	}
 
 	private void loadAccountInfoAndEnterEditMode(){
+		if(editModeLoading)
+			return;
+		editModeLoading=true;
 		setActionProgressVisible(true);
 		new GetOwnAccount()
 				.setCallback(new Callback<>(){
 					@Override
 					public void onSuccess(Account result){
+						editModeLoading=false;
+						if(getActivity()==null)
+							return;
 						enterEditMode(result);
 						setActionProgressVisible(false);
 					}
 
 					@Override
 					public void onError(ErrorResponse error){
+						editModeLoading=false;
+						if(getActivity()==null)
+							return;
 						error.showToast(getActivity());
 						setActionProgressVisible(false);
 					}
diff --git a/mastodon/src/main/java/org/joinmastodon/android/fragments/ScrollableToTop.java b/mastodon/src/main/java/org/joinmastodon/android/fragments/ScrollableToTop.java
index 705c5d9f..d6a28ae6 100644
--- a/mastodon/src/main/java/org/joinmastodon/android/fragments/ScrollableToTop.java
+++ b/mastodon/src/main/java/org/joinmastodon/android/fragments/ScrollableToTop.java
@@ -13,6 +13,8 @@ public interface ScrollableToTop{
 	 * @param list
 	 */
 	default void smoothScrollRecyclerViewToTop(RecyclerView list){
+		if(list==null) // TODO find out why this happens because it should not be possible
+			return;
 		if(list.getChildCount()>0 && list.getChildAdapterPosition(list.getChildAt(0))>10){
 			list.scrollToPosition(0);
 			list.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener(){
diff --git a/mastodon/src/main/java/org/joinmastodon/android/fragments/discover/SearchFragment.java b/mastodon/src/main/java/org/joinmastodon/android/fragments/discover/SearchFragment.java
index c7a1f0ab..a2c9a604 100644
--- a/mastodon/src/main/java/org/joinmastodon/android/fragments/discover/SearchFragment.java
+++ b/mastodon/src/main/java/org/joinmastodon/android/fragments/discover/SearchFragment.java
@@ -117,6 +117,8 @@ public class SearchFragment extends BaseStatusListFragment<SearchResult>{
 	protected void doLoadData(int offset, int count){
 		if(isInRecentMode()){
 			AccountSessionManager.getInstance().getAccount(accountID).getCacheController().getRecentSearches(sr->{
+				if(getActivity()==null)
+					return;
 				unfilteredResults=sr;
 				prevDisplayItems=new ArrayList<>(displayItems);
 				onDataLoaded(sr, false);
diff --git a/mastodon/src/main/java/org/joinmastodon/android/ui/utils/UiUtils.java b/mastodon/src/main/java/org/joinmastodon/android/ui/utils/UiUtils.java
index ab2f828b..a689ae93 100644
--- a/mastodon/src/main/java/org/joinmastodon/android/ui/utils/UiUtils.java
+++ b/mastodon/src/main/java/org/joinmastodon/android/ui/utils/UiUtils.java
@@ -2,6 +2,7 @@ package org.joinmastodon.android.ui.utils;
 
 import android.annotation.SuppressLint;
 import android.app.Activity;
+import android.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.Intent;
 import android.content.res.ColorStateList;
@@ -29,6 +30,7 @@ import android.webkit.MimeTypeMap;
 import android.widget.Button;
 import android.widget.PopupMenu;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import org.joinmastodon.android.E;
 import org.joinmastodon.android.GlobalUserPreferences;
@@ -87,13 +89,17 @@ public class UiUtils{
 	private UiUtils(){}
 
 	public static void launchWebBrowser(Context context, String url){
-		if(GlobalUserPreferences.useCustomTabs){
-			new CustomTabsIntent.Builder()
-					.setShowTitle(true)
-					.build()
-					.launchUrl(context, Uri.parse(url));
-		}else{
-			context.startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url)));
+		try{
+			if(GlobalUserPreferences.useCustomTabs){
+				new CustomTabsIntent.Builder()
+						.setShowTitle(true)
+						.build()
+						.launchUrl(context, Uri.parse(url));
+			}else{
+				context.startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url)));
+			}
+		}catch(ActivityNotFoundException x){
+			Toast.makeText(context, R.string.no_app_to_handle_action, Toast.LENGTH_SHORT).show();
 		}
 	}