The msgid is out of sync.
Restart the robot or run this command using ssh:
killall miio_client && service valetudo restart
The map wasn’t created till now, is gone or seems to be incorrect.
Start a full cleaning first to let the robot create the map.
If that doesn’t help and „persistent Maps“ are activated on the Gen2 Robot, reset and activate them again. Then start a new full cleaning again.
Check your config under: /mnt/data/valetudo/config.json
And check your Firewall-initscript /etc/rc.d/S51valetudo:
[…] dest=127.0.0.1 port=80 #(Some People had success with changing the Port to 8080) for host in 203.0.113.1 203.0.113.5; do […]