Remove mac address in IP-DHCP-LEASE from another script

RouterOS Scripting
7

{
{… :local Maddress [/ip hotspot cookie get [find where user=“test”] mac-address]
{… :put $Maddress
{… /ip dhcp-server lease remove $Maddress
{… }
EE:03:76:97:AF:8A
no such item