VLANs issues on OpenWRT v24.x.x

Hi, this is configuration of my Cudy WR300S access point.
As I mentioned, I was able to configure WiFi only for non-VLAN interfaces.
For VLAN interfaces "Save" button doesn't work.

root@OpenWrt:~# ubus call system board
 /etc/config/fir{
        "kernel": "6.6.86",
        "hostname": "OpenWrt",
        "system": "ARMv8 Processor rev 4",
        "model": "Cudy WR3000S v1",
        "board_name": "cudy,wr3000s-v1",
        "rootfs_type": "squashfs",
        "release": {
                "distribution": "OpenWrt",
                "version": "24.10.1",
                "revision": "r28597-0425664679",
                "target": "mediatek/filogic",
                "description": "OpenWrt 24.10.1 r28597-0425664679",
                "builddate": "1744562312"
        }
}
root@OpenWrt:~# cat /etc/config/network

config interface 'loopback'
        option device 'lo'
        option proto 'static'
        option ipaddr '127.0.0.1'
        option netmask '255.0.0.0'

config globals 'globals'
        option ula_prefix 'fd27:831f:8cc2::/48'
        option packet_steering '1'

config device
        option name 'br-lan'
        option type 'bridge'
        list ports 'lan1'

config interface 'lan'
        option device 'br-lan'
        option proto 'static'
        option ipaddr '192.168.115.50'
        option netmask '255.255.255.0'
        option ip6assign '60'
        option gateway '192.168.115.1'
        list dns '192.168.115.1'

config interface 'wan'
        option device 'wan'
        option proto 'static'
        option ipaddr '192.168.1.2'
        option netmask '255.255.255.0'
        option gateway '192.168.1.1'

config interface 'lab'
        option proto 'static'
        option ipaddr '192.168.115.70'
        option netmask '255.255.255.0'
        option gateway '192.168.115.1'
        list dns '192.168.115.1'
        option device 'VLANS.10'

config interface 'guest'
        option proto 'static'
        option ipaddr '192.168.120.70'
        option netmask '255.255.255.0'
        option gateway '192.168.120.1'
        list dns '192.168.120.1'
        option device 'VLANS.20'

config interface 'sun'
        option proto 'static'
        option ipaddr '192.168.125.70'
        option netmask '255.255.255.0'
        option gateway '192.168.125.1'
        list dns '192.168.125.1'
        option device 'VLANS.30'

config device
        option type 'bridge'
        option name 'VLANS'
        list ports 'eth0'
        list ports 'lan2'
        list ports 'lan3'
        list ports 'lan4'
        option bridge_empty '1'

config bridge-vlan
        option device 'VLANS'
        option vlan '10'
        list ports 'eth0:t'
        list ports 'lan2'
        list ports 'lan4:t'

config bridge-vlan
        option device 'VLANS'
        option vlan '20'
        list ports 'eth0:t'
        list ports 'lan3'
        list ports 'lan4:t'

config bridge-vlan
        option device 'VLANS'
        option vlan '30'
        list ports 'eth0:t'
        list ports 'lan4:t'

root@OpenWrt:~# cat /etc/config/wireless

config wifi-device 'radio0'
        option type 'mac80211'
        option path 'platform/soc/18000000.wifi'
        option band '2g'
        option channel '11'
        option htmode 'HE20'
        option cell_density '0'
        option country 'NL'

config wifi-iface 'default_radio0'
        option device 'radio0'
        option network 'lan'
        option mode 'ap'
        option ssid 'XEN-2FAC-F24B'
        option encryption 'psk2'
        option key 'XXXXXXXX'

config wifi-device 'radio1'
        option type 'mac80211'
        option path 'platform/soc/18000000.wifi+1'
        option band '5g'
        option channel '132'
        option htmode 'HE80'
        option cell_density '0'
        option country 'NL'

config wifi-iface 'default_radio1'
        option device 'radio1'
        option network 'lan'
        option mode 'ap'
        option ssid 'XEN-2FAC-F50B'
        option encryption 'psk2'
        option key 'XXXXXXXX'

root@OpenWrt:~# cat /etc/config/dhcp

config dnsmasq
        option domainneeded '1'
        option boguspriv '1'
        option filterwin2k '0'
        option localise_queries '1'
        option rebind_protection '1'
        option rebind_localhost '1'
        option local '/lan/'
        option domain 'lan'
        option expandhosts '1'
        option nonegcache '0'
        option cachesize '1000'
        option authoritative '1'
        option readethers '1'
        option leasefile '/tmp/dhcp.leases'
        option resolvfile '/tmp/resolv.conf.d/resolv.conf.auto'
        option nonwildcard '1'
        option localservice '1'
        option ednspacket_max '1232'
        option filter_aaaa '0'
        option filter_a '0'

config dhcp 'lan'
        option interface 'lan'
        option start '100'
        option limit '150'
        option leasetime '12h'
        option dhcpv4 'server'
        option dhcpv6 'server'
        option ra 'server'
        list ra_flags 'managed-config'
        list ra_flags 'other-config'
        option ignore '1'

config dhcp 'wan'
        option interface 'wan'
        option ignore '1'
        option start '100'
        option limit '150'
        option leasetime '12h'

config odhcpd 'odhcpd'
        option maindhcp '0'
        option leasefile '/tmp/hosts/odhcpd'
        option leasetrigger '/usr/sbin/odhcpd-update'
        option loglevel '4'

config dhcp 'lab'
        option interface 'lab'
        option start '100'
        option limit '150'
        option leasetime '12h'
        option ignore '1'

config dhcp 'guest'
        option interface 'guest'
        option start '100'
        option limit '150'
        option leasetime '12h'
        option ignore '1'

config dhcp 'sun'
        option interface 'sun'
        option start '100'
        option limit '150'
        option leasetime '12h'
        option ignore '1'