diff --git a/petstore/petstoreassistant/src/main/java/com/chtrembl/petstoreassistant/PetStoreAssistantBot.java b/petstore/petstoreassistant/src/main/java/com/chtrembl/petstoreassistant/PetStoreAssistantBot.java
index 6c63a47c..e16adc31 100644
--- a/petstore/petstoreassistant/src/main/java/com/chtrembl/petstoreassistant/PetStoreAssistantBot.java
+++ b/petstore/petstoreassistant/src/main/java/com/chtrembl/petstoreassistant/PetStoreAssistantBot.java
@@ -74,29 +74,35 @@ public PetStoreAssistantBot(UserState withUserState) {
     // onTurn processing isn't working with DP, not being used to manage state...
     @Override
     public CompletableFuture<Void> onTurn(TurnContext turnContext) {
-        String text = turnContext.getActivity().getText().toLowerCase().trim();
-
-        LOGGER.info("onTurn incoming text: " + turnContext.getActivity().getText());
+        try
+        {
+            String text = turnContext.getActivity().getText().toLowerCase().trim();
+            LOGGER.info("onTurn incoming text: " + turnContext.getActivity().getText());
         
-        if (isErroneousRequest(text)) {
-            return null;
-        }
+            if (isErroneousRequest(text)) {
+                return null;
+            }
 
-        AzurePetStoreSessionInfo azurePetStoreSessionInfo = configureSession(turnContext, text);
+            AzurePetStoreSessionInfo azurePetStoreSessionInfo = configureSession(turnContext, text);
 
-        if (azurePetStoreSessionInfo != null && azurePetStoreSessionInfo.getNewText() != null) {
-            // get the text without the session id and csrf token
-            text = azurePetStoreSessionInfo.getNewText();
-        }
+            if (azurePetStoreSessionInfo != null && azurePetStoreSessionInfo.getNewText() != null) {
+                // get the text without the session id and csrf token
+                text = azurePetStoreSessionInfo.getNewText();
+            }
 
-        // the client browser initialized
-        if (text.equals("...")) {
-            return turnContext.sendActivity(
-                    MessageFactory.text(WELCOME_MESSAGE)).thenApply(sendResult -> null);
+            // the client browser initialized
+            if (text.equals("...")) {
+                return turnContext.sendActivity(
+                        MessageFactory.text(WELCOME_MESSAGE)).thenApply(sendResult -> null);
+            }
         }
-
+        catch (Exception e)
+        {
+            LOGGER.info("onTurn incoming activity does not exist");
+        }
+      
         return super.onTurn(turnContext)
-                .thenCompose(saveResult -> userState.saveChanges(turnContext));
+            .thenCompose(saveResult -> userState.saveChanges(turnContext));
     }
 
     @Override
@@ -231,7 +237,32 @@ protected CompletableFuture<Void> onMembersAdded(
         // .collect(CompletableFutures.toFutureList()).thenApply(resourceResponses ->
         // null);
 
-        LOGGER.info("onMembersAdded...");
+        try
+        {
+            String text = turnContext.getActivity().getText().toLowerCase().trim();
+            LOGGER.info("onMembersAdded incoming text: " + turnContext.getActivity().getText());
+        
+            if (isErroneousRequest(text)) {
+                return null;
+            }
+
+            AzurePetStoreSessionInfo azurePetStoreSessionInfo = configureSession(turnContext, text);
+
+            if (azurePetStoreSessionInfo != null && azurePetStoreSessionInfo.getNewText() != null) {
+                // get the text without the session id and csrf token
+                text = azurePetStoreSessionInfo.getNewText();
+            }
+
+            // the client browser initialized
+            if (text.equals("...")) {
+                return turnContext.sendActivity(
+                        MessageFactory.text(WELCOME_MESSAGE)).thenApply(sendResult -> null);
+            }
+        }
+        catch (Exception e)
+        {
+            LOGGER.info("onMembersAdded incoming activity does not exist");
+        }
 
         return turnContext.sendActivity(
                 MessageFactory.text("")).thenApply(sendResult -> null);