diff --git a/src/App.tsx b/src/App.tsx
index 51a55803..5626f416 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -34,6 +34,8 @@ const { DesignPage } = lazily(() => import("./pages/DesignPage/DesignPage"));
 const { IntegrationsPage } = lazily(() => import("./pages/IntegrationsPage/IntegrationsPage"));
 const { QuizAnswersPage } = lazily(() => import("./pages/QuizAnswersPage/QuizAnswersPage"));
 const ChatImageNewWindow = lazy(() => import("@ui_kit/FloatingSupportChat/ChatImageNewWindow"));
+let params = new URLSearchParams(document.location.search);
+const isTest = Boolean(params.get("test"))
 
 const routeslink = [
   {
@@ -129,7 +131,7 @@ export default function App() {
       {amoAccount && <AmoTokenExpiredDialog isAmoTokenExpired={amoAccount.stale} />}
       
       <ContactFormModal />
-      <FloatingSupportChat />
+      {!isTest && <FloatingSupportChat />}
       {location.state?.backgroundLocation && (
         <Routes>
           <Route
diff --git a/src/stores/ticket.ts b/src/stores/ticket.ts
index 2185d62e..185fc788 100644
--- a/src/stores/ticket.ts
+++ b/src/stores/ticket.ts
@@ -22,6 +22,10 @@ interface TicketStore {
   unauthData: AuthData;
   authData: AuthData;
 }
+
+let params = new URLSearchParams(document.location.search);
+
+const debug = params.get("debug");
 const initAuthData = {
   sessionData: null,
   isMessageSending: false,
@@ -86,7 +90,12 @@ export const addOrUpdateUnauthMessages = (receivedMessages: TicketMessage[]) =>
     );
 
     ticket.messages = sortedMessages;
-    ticket.lastMessageId = sortedMessages.at(-1)?.id;
+    // if (debug) alert(sortedMessages[sortedMessages.length - 1])
+    // if (debug) alert(typeof sortedMessages.at)
+
+    // if (Array.isArray(sortedMessages)) ticket.lastMessageId = sortedMessages?.at(-1)?.id || "";
+    if (Array.isArray(sortedMessages)) ticket.lastMessageId = sortedMessages?.[sortedMessages.length - 1]?.id || "";
+    console.log("ticketStudy, ", sortedMessages)
   });
 
 export const incrementUnauthMessage = () =>