A. 1. Ensure you have a stable internet connection. Switch between Wi-Fi and mobile data to see if the issue resolves. 2. Restart the app to clear any temporary glitches. 3. Check if there are any app updates available and install them. 4. Clear the app cache by going to Settings > Apps > VooV Meeting > Storage > Clear Cache. 5. Verify that the chat feature is not disabled by the meeting host.