A Showtime error code 311 is typically caused by a problem with your internet connection. This can be caused by a number of things, including a weak or unstable connection, a problem with your router or modem, or a problem with your ISP.
If the answers above didn't work then you should also try:
- Restart the showtime app
- Close and reopen the showtime app
- Delete and reinstall the showtime app
- Check for updates for the showtime app
- Restart your device
- Check your internet connection