issue with no lan 1 qos igmp-snooping on R750

[andrew_s]

using ruckus unleashed: 200.9.10.4.233

I am I missing something with this qos igmp-snooping command or using it incorrectly? trying to disable IGMP Snooping

ruckus(config)# ap-group "system default"
The AP group entry 'System Default' has been loaded. To save the AP group, type 'end' or 'exit'.
ruckus(config-apgrp)# model r750 port-setting
ruckus(config-apgrp-port)# no lan 1 qos igmp-snooping
Please input the port number , and then try again.
ruckus(config-apgrp-port)# show
PORTS:
    LAN ID:
          1:
            Enable LAN = Yes
            LAN Type= trunk
            Untag ID= 1
            Members= 1-4094
            Guest VLAN=
            Enable Dynamic VLAN= Disabled
            802.1X= disabled
            DHCP opt82= Disabled
            Tunnel= Disabled
            MLD Snooping= Disabled
            IGMP Snooping= Enabled
            Directed Multicast= Disabled
          2:
            Enable LAN = Yes
            LAN Type= trunk
            Untag ID= 1
            Members= 1-4094
            Guest VLAN=
            Enable Dynamic VLAN= Disabled
            802.1X= disabled
            DHCP opt82= Disabled
            Tunnel= Disabled
            MLD Snooping= Disabled
            IGMP Snooping= Enabled
            Directed Multicast= Disabled