I've been trying to fix this for months now but the problem makes absolutely no sense. I've reset everything multiple times, unlinked and relinked services to Google Home app, etc.
My Google Home refuses to answer commands like "turn on/off the lights" and "turn on/off the bedroom/living room lights". I always get "Sorry, I am unable to process your request" as an answer. Commands like "Turn on/off the lamps", "dim the lights to 50%" or "set the scene to Savanna" work fine and are processed instantly. I get the exact same behaviour when I type the commands in the Google Assistant on my phone.
If I try turning off the lights using my "Good night" routine (I do this in the 'adjust the lights