diff --git a/linphone-app/src/app/translator/DefaultTranslator.cpp b/linphone-app/src/app/translator/DefaultTranslator.cpp
index 75739473f..04e00613c 100644
--- a/linphone-app/src/app/translator/DefaultTranslator.cpp
+++ b/linphone-app/src/app/translator/DefaultTranslator.cpp
@@ -63,7 +63,7 @@ QString DefaultTranslator::translate (
   QString translation = QTranslator::translate(context, sourceText, disambiguation, n);
 
   if (translation.length() == 0 && mContexts.contains(context))
-    qWarning() << QStringLiteral("Unable to find a translation. (context=%1, label=%2, disambiguation=%3)")
+    qDebug() << QStringLiteral("Unable to find a translation. (context=%1, label=%2, disambiguation=%3)")
       .arg(context).arg(sourceText).arg(disambiguation);
 
   return translation;
diff --git a/linphone-app/src/components/chat-events/ChatMessageModel.cpp b/linphone-app/src/components/chat-events/ChatMessageModel.cpp
index 44e1cb1eb..73015f915 100644
--- a/linphone-app/src/components/chat-events/ChatMessageModel.cpp
+++ b/linphone-app/src/components/chat-events/ChatMessageModel.cpp
@@ -303,7 +303,10 @@ ChatMessageModel::AppDataManager::AppDataManager(const QString& appdata){
 	if(!appdata.isEmpty()){
 		for(QString pair : appdata.split(';')){
 			QStringList fields = pair.split(':');
-			mData[fields[1]] = fields[0];
+			if(fields.size() > 1)
+				mData[fields[1]] = fields[0];
+			else
+				qWarning() << "Bad or too old appdata. It need a compatibility parsing : " << appdata;
 		}
 	}
 }