Error "no such item(4)" when remove active user hotspot.

Why happen this error when I try remove active user ?

Command:
$API->write(“/ip/hotspot/active/remove”, false);
*$API->write("=.id=D863010A");

Error mensage:
!trap
=category=4
=message=no such item (4)
!done

I use PHP api.

tnks…

I had . the same issue, do you have any news?