Hi @Richa4 If you haven't already done so try the classic solution of a reboot/restart as this will often resolve such issues.
To do this got to Settings > System Management > Resets & Updates > Restart device. It takes about 3 minutes to completely reboot. You will have a blank screen for a couple of minutes before the Sky logo appears so don’t be concerned when this happens.
Good luck 🤞
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