I've tried all three commands and its returning - [Remover Tool] Please enter the player's steamID.

• remove.playerentity <all | a> <12345789123456789> 

• remove.playerentity <building | b> <12345789123456789> 

• remove.playerentity <cupboard | c> <12345789123456789> 

This is on the lastest build 4.3.36.