1 files changed, 7 insertions, 1 deletions
diff --git a/Swift/Controllers/Chat/ChatControllerBase.cpp b/Swift/Controllers/Chat/ChatControllerBase.cpp
index b339bd0..da9064e 100644
--- a/Swift/Controllers/Chat/ChatControllerBase.cpp
+++ b/Swift/Controllers/Chat/ChatControllerBase.cpp
@@ -243,61 +243,67 @@ std::string ChatControllerBase::addMessage(const ChatWindow::ChatMessage& chatMe
 }
 
 void ChatControllerBase::replaceMessage(const ChatWindow::ChatMessage& chatMessage, const std::string& id, const boost::posix_time::ptime& time) {
     if (chatMessage.isMeCommand()) {
         chatWindow_->replaceWithAction(chatMessage, id, time);
     }
     else {
         chatWindow_->replaceMessage(chatMessage, id, time);
     }
 }
 
 bool ChatControllerBase::isFromContact(const JID& from) {
     return from.toBare() == toJID_.toBare();
 }
 
 void ChatControllerBase::handleIncomingMessage(std::shared_ptr<MessageEvent> messageEvent) {
     preHandleIncomingMessage(messageEvent);
     if (messageEvent->isReadable() && !messageEvent->getConcluded()) {
         unreadMessages_.push_back(messageEvent);
         if (messageEvent->targetsMe()) {
             targetedUnreadMessages_.push_back(messageEvent);
         }
     }
 
     std::shared_ptr<Message> message = messageEvent->getStanza();
     ChatWindow::ChatMessage chatMessage;
     boost::optional<std::string> optionalBody = message->getBody();
     std::string body = optionalBody.get_value_or("");
     if (message->isError()) {
         if (!message->getTo().getResource().empty()) {
-            std::string errorMessage = str(format(QT_TRANSLATE_NOOP("", "Couldn't send message: %1%")) % getErrorMessage(message->getPayload<ErrorPayload>()));
+            std::string errorMessage;
+            if (message->getPayload<Swift::ErrorPayload>()->getCondition() == ErrorPayload::ItemNotFound) {
+                errorMessage = QT_TRANSLATE_NOOP("", "This user could not be found in the room.");
+            }
+            else {
+                errorMessage = str(format(QT_TRANSLATE_NOOP("", "Couldn't send message: %1%")) % getErrorMessage(message->getPayload<ErrorPayload>()));
+            }
             chatWindow_->addErrorMessage(chatMessageParser_->parseMessageBody(errorMessage));
         }
     }
     else if (messageEvent->getStanza()->getPayload<MUCInvitationPayload>()) {
         handleMUCInvitation(messageEvent->getStanza());
         return;
     }
     else if (messageEvent->getStanza()->getPayload<MUCUserPayload>() && messageEvent->getStanza()->getPayload<MUCUserPayload>()->getInvite()) {
         handleMediatedMUCInvitation(messageEvent->getStanza());
         return;
     }
     else {
         if (!messageEvent->isReadable()) {
             return;
         }
         showChatWindow();
         JID from = message->getFrom();
         std::vector<std::shared_ptr<Delay> > delayPayloads = message->getPayloads<Delay>();
         for (size_t i = 0; useDelayForLatency_ && i < delayPayloads.size(); i++) {
             if (!delayPayloads[i]->getFrom()) {
                 continue;
             }
             boost::posix_time::ptime now = boost::posix_time::microsec_clock::universal_time();
             std::ostringstream s;
             s << "The following message took " << (now - delayPayloads[i]->getStamp()).total_milliseconds() / 1000.0 <<  " seconds to be delivered from " << delayPayloads[i]->getFrom()->toString() << ".";
             chatWindow_->addSystemMessage(chatMessageParser_->parseMessageBody(std::string(s.str())), ChatWindow::DefaultDirection);
         }
         std::shared_ptr<SecurityLabel> label = message->getPayload<SecurityLabel>();
 
         // Determine the timestamp