Blocked LD Attempt

Late morning, going in and out of sleep while J was cuddling with me for more than an hour,
One of the dreams was in Jido’s tv room (old setting, as usual). Everything went vague and blurry, brown and dark.
I was in front of the tv wall, no furniture.
I knew it was a dream suddenly, and I also said out loud ‘I can lucid dream’, many times.
I waved my hand upward to dissolve the brown blurry wall, but nothing happened.
I did it a few times knowing that it should work, still aware that I am dreaming and not understanding why nothing is happening.
What would do that? What would block me like that?
There was no fear, I was aware I was dreaming, I was aware I can lucid dreaming, I tried to magic but nothing happened.