Can not add new integration

[skuusk]

Checklist

• I have verified that the account and device works in the Comfort Cloud App.
• This issue only contains 1 issue (if you have multiple issues, open one issue for each issue).
• This issue is not a duplicate issue of currently previous issues..

What version of Home Assistant Core?

2026.2.1

Describe the issue

After adding this integration and logging in first time, the setup is not fully completed. Integration setup is saying that all is successful. In reality there is no heatpump added to HA and I see error in log.

Error/Debug Logs

This error originated from a custom integration.

Logger: custom_components.panasonic_cc
Source: custom_components/panasonic_cc/__init__.py:126
integration: Panasonic Comfort Cloud (documentation, issues)
First occurred: 09:58:26 (2 occurrences)
Last logged: 10:00:53

Failed to setup Aquarea: 'NoneType' object has no attribute 'value'
Traceback (most recent call last):
  File "/config/custom_components/panasonic_cc/__init__.py", line 126, in async_setup_entry
    await aquarea_api_client.login()
  File "/usr/local/lib/python3.13/site-packages/aioaquarea/core.py", line 274, in login
    await self.__login_production()
  File "/usr/local/lib/python3.13/site-packages/aioaquarea/core.py", line 298, in __login_production
    auth_state = response.cookies.get("com.auth0.state").value
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'value'

[villar3]

Same issues on my HomAssistant

[runningfree666]

same problem

[maurilloh]

same problem here but I can't login