Your WhatsApp stopped working???
Let's figure this out...
First of all, check if your telephone connected to internet or Wi-Fi
Restart your computer, enter the app and try to scan QR code again
Also if you clear cookies and cash, open your store in incognito page - it will surely help
In your browser check that you have ONLY one tab with WhatsApp opened!
If you still can't connect to WhatsApp, please contact us via our support chat
Go to the app Dashboard and restart your WhatsApp connection with the special button
If it doesn't help, try these steps: