Eufycam 2 Pro stopped working and disappeared from the App

Hi all,
Got a question, has anyone else had their 2 Pro cam just die? Was working fine first thing this morning, then disappeared off the app. Tried re-adding it but when pushing the sync button nothing happens. Have now got it plugged into the power for charging, no light on to say it’s charging. Previously it was connected to a Eufy solar panel with 100%.
That was yesterday, been on charge for more than 24 hours. Tried adding as a new device. Added successfully, but not showing in the app. Uninstalled app, downloaded again, etc. When adding says no WiFi either and it’s right next to the homebase and router. Help please???

I had the same problem with 2 cameras. They disappear from the application. They were connected to a solar panel too.