Without a fix, the Actions & Stuff pack shows:
Este pack no solo cambia el aspecto de los bloques, sino que redefine cómo se siente el mundo: Animaciones de Jugador Without a fix, the Actions & Stuff pack
The user needs a of the Actions & Stuff texture pack for Minecraft Bedrock. As of now, no official 1.21 update has been confirmed for the original pack. The best course of action is: Without a fix