Instruction 10010 ERR

This will print the last element (the top/the right-most/the last added element) on the stack onto the standard error output.

Stack before: ${[\space\color{#947cdd}'Hello \space'\space\color{white}, \space\color{#947cdd}'World'\color{white}\space]}$

ERR

Stack after: ${[\space\color{#947cdd}'Hello \space'\space\color{white}]}$

Output: World