HomeKit controller failed to run method setThermostatSetpoint

Hi,

I managed to add a Theromstat Controller to control my aircon, via Broadlink IR. To add, no issues using Hubitat mobile to control my aircon, hence the Rules I have set up are working fine.

The same Theromstat Controller is added to HomeKit via Hubitat built-in bridge, and shows up nicely on Home app.

However, any changes on Home app (off, cool, temperature figures) are all not picked up by Hubitat. The following errors are observed in the logs:
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Will appreciate any guidance here please. Thank you.

Which driver are you using for this device?

Broadlink Remote

I noticed my Thermostat Controller parent was accidentally deleted. Things are working fine now. Case closed.