Simply follow the steps below

• Check if you are connected to a stable network or not. Disable and reconnect the network.  
• Try restarting your router. 
• Try switching to a different network and check again. 

If the issue persists, check network speed at speedtest.net or https://projectstream.google.com/speedtest and share the screenshot by raising a complaint at livsupport@sonyliv.com. We will get back to you soon.