diff --git a/main.py b/main.py
index e830b054..ef3ac904 100644
--- a/main.py
+++ b/main.py
@@ -19,6 +19,10 @@ def sendMicMessage(message):
         else:
             translation = model.getInputTranslate(message)
 
+        if translation == None:
+            view.printToTextbox_AuthenticationError()
+            translation = ""
+
         if config.ENABLE_TRANSCRIPTION_SEND is True:
             if config.ENABLE_OSC is True:
                 if len(translation) > 0:
@@ -56,6 +60,10 @@ def receiveSpeakerMessage(message):
         else:
             translation = model.getOutputTranslate(message)
 
+        if translation == None:
+            view.printToTextbox_AuthenticationError()
+            translation = ""
+
         if config.ENABLE_TRANSCRIPTION_RECEIVE is True:
             if config.ENABLE_NOTICE_XSOVERLAY is True:
                 xsoverlay_message = config.MESSAGE_FORMAT.replace("[message]", message)
@@ -86,6 +94,10 @@ def sendChatMessage(message):
         else:
             translation = model.getInputTranslate(message)
 
+        if translation == None:
+            view.printToTextbox_AuthenticationError()
+            translation = ""
+
         # send OSC message
         if config.ENABLE_OSC is True:
             if len(translation) > 0:
diff --git a/model.py b/model.py
index 559306de..46ac13ea 100644
--- a/model.py
+++ b/model.py
@@ -135,21 +135,27 @@ class Model:
         return list(self.translator.translator_status.keys())
 
     def getInputTranslate(self, message):
-        translation = self.translator.translate(
-                        translator_name=config.CHOICE_TRANSLATOR,
-                        source_language=config.SOURCE_LANGUAGE,
-                        target_language=config.TARGET_LANGUAGE,
-                        message=message
-                )
+        try:
+            translation = self.translator.translate(
+                            translator_name=config.CHOICE_TRANSLATOR,
+                            source_language=config.SOURCE_LANGUAGE,
+                            target_language=config.TARGET_LANGUAGE,
+                            message=message
+                    )
+        except:
+            translation = None
         return translation
 
     def getOutputTranslate(self, message):
-        translation = self.translator.translate(
-                        translator_name=config.CHOICE_TRANSLATOR,
-                        source_language=config.TARGET_LANGUAGE,
-                        target_language=config.SOURCE_LANGUAGE,
-                        message=message
-                )
+        try:
+            translation = self.translator.translate(
+                            translator_name=config.CHOICE_TRANSLATOR,
+                            source_language=config.TARGET_LANGUAGE,
+                            target_language=config.SOURCE_LANGUAGE,
+                            message=message
+                    )
+        except:
+            translation = None
         return translation
 
     def addKeywords(self):
diff --git a/view.py b/view.py
index 4d24063f..fa986a52 100644
--- a/view.py
+++ b/view.py
@@ -416,7 +416,7 @@ class View():
         self._printToTextbox_Info("Auth key update completed")
 
     def printToTextbox_AuthenticationError(self):
-        self._printToTextbox_Info("Auth Key or language setting is incorrect")
+        self._printToTextbox_Info("Auth Key is incorrect or Usage limit reached")
 
     def printToTextbox_OSCError(self):
         self._printToTextbox_Info("OSC is not enabled, please enable OSC and rejoin")