Big problem homey "Heizungsplaner" heating

Which Homey tado app I meant :wink:

BUT, I missed out on this one, sorry!

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And TRV’s of both brands have the same issue?

Then the issue most likely should be with the Heizungsplaner app.

Please post your issue in that topic.
(Maybe a diagnostic report comes in handy as well; create it via app configuration, and provide for your forum name and email address pls):
https://community.homey.app/t/7795
For next time: You can find this link at the homey.app store app page!

The timeline errors are not from tado nor Shelly most probably?