fill replace command fail
when type in [/fill <x y z> <x y z> air replace stone] command, the system shows
Syntax error: Unexpected "replace": at "10 10 air >>replace<<stone" 
when type in [/fill <x y z> <x y z> air replace stone] command, the system shows
Syntax error: Unexpected "replace": at "10 10 air >>replace<<stone" 