diff --git a/packages/stream_chat_flutter/lib/src/message_list_view.dart b/packages/stream_chat_flutter/lib/src/message_list_view.dart
index 2773b192..e4d67740 100644
--- a/packages/stream_chat_flutter/lib/src/message_list_view.dart
+++ b/packages/stream_chat_flutter/lib/src/message_list_view.dart
@@ -526,6 +526,7 @@ class _MessageListViewState extends State<MessageListView> {
                         return ((index + 2) * 2) - 1;
                       }
                     }
+                    return null;
                   },
 
                   // Item Count -> 8 (1 parent, 2 header+footer, 2 top+bottom, 3 messages)
diff --git a/packages/stream_chat_localizations/lib/src/stream_chat_localizations.dart b/packages/stream_chat_localizations/lib/src/stream_chat_localizations.dart
index 0c7ce68e..6ea2eda4 100644
--- a/packages/stream_chat_localizations/lib/src/stream_chat_localizations.dart
+++ b/packages/stream_chat_localizations/lib/src/stream_chat_localizations.dart
@@ -75,6 +75,7 @@ GlobalStreamChatLocalizations? getStreamChatTranslation(Locale locale) {
     case 'pt':
       return const StreamChatLocalizationsPt();
   }
+  return null;
 }
 
 /// Implementation of localized strings for the stream chat widgets
diff --git a/packages/stream_chat_localizations/lib/src/stream_chat_localizations_pt.dart b/packages/stream_chat_localizations/lib/src/stream_chat_localizations_pt.dart
index 44c02081..4c1d2a58 100644
--- a/packages/stream_chat_localizations/lib/src/stream_chat_localizations_pt.dart
+++ b/packages/stream_chat_localizations/lib/src/stream_chat_localizations_pt.dart
@@ -371,4 +371,15 @@ Não é possível adicionar mais de $limit arquivos de uma vez
 
   @override
   String get slowModeOnLabel => 'Modo lento ativado';
+
+  @override
+  String get linkDisabledDetails =>
+      'O envio de links não é permitido nesta conversa.';
+
+  @override
+  String get linkDisabledError => 'Os links estão desativados';
+
+  @override
+  String get sendMessagePermissionError =>
+      'Você não tem permissão para enviar mensagens';
 }