Tado unexpected error fetching tado data

[girtsn]

The problem

when setting up, throws this error, but it is showed only for a small moment, visually to an end user it would look like Tado keeps on forgetting that it was already authenticated

2025-04-05 12:40:00.228 ERROR (MainThread) [homeassistant.components.tado.coordinator] Unexpected error fetching tado data
Traceback (most recent call last):
File "/usr/src/homeassistant/homeassistant/helpers/update_coordinator.py", line 380, in _async_refresh
self.data = await self._async_update_data()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/src/homeassistant/homeassistant/components/tado/coordinator.py", line 101, in _async_update_data
devices = await self._async_update_devices()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/src/homeassistant/homeassistant/components/tado/coordinator.py", line 137, in _async_update_devices
return await self.hass.async_add_executor_job(self._update_device_info, devices)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.13/concurrent/futures/thread.py", line 59, in run
result = self.fn(*self.args, **self.kwargs)
File "/usr/src/homeassistant/homeassistant/components/tado/coordinator.py", line 143, in _update_device_info
device_short_serial_no = device["shortSerialNo"]
~~~~~~^^^^^^^^^^^^^^^^^
KeyError: 'shortSerialNo'

What version of Home Assistant Core has the issue?

core-2025.4.1

What was the last working version of Home Assistant Core?

No response

What type of installation are you running?

Home Assistant Container

Integration causing the issue

Tado

Link to integration documentation on our website

No response

Diagnostics information

No response

Example YAML snippet

Anything in the logs that might be useful for us?

Additional information

No response

[home-assistant]

Hey there @erwindouna, mind taking a look at this issue as it has been labeled with an integration (tado) you are listed as a code owner for? Thanks!

Code owner commands

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[erwindouna]

Are you using Tado X devices?