Block check boolean must have been broken... same happens on single world.
That's BE's addon system so Molang is right. 🙂
Affects 1.17.41 but it's quite different.
Before updates, I figured out selecting body color, for example eyes or mouth, and equiping none causes such bugs.
In 1.17.41 reproducing progress figured out by me seemed fixed, but I still frequently experience that with no reason. (And PE got crashed after color of cloth have changed, 1.17.41)
Mcpe 1.18.2