Need help with UCG Ultra and UDM-IPTV Script

[hagenouw]

I installed the UDM-IPTV script and it does not work. I typed udm-iptv diagnose and got this:
=== Configuration ===
WAN Interface: eth4
WAN VLAN: 4 (dev iptv)
WAN DHCP: true (options "-O staticroutes -V IPTV_RG")
WAN Ranges: 213.75.0.0/16 217.166.0.0/16
LAN Interfaces: br6
IGMP Proxy quickleave disabled: false
IGMP Proxy debug: true
=== IP Link and Route ===
22785: iptv@eth4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
inet 10.0.60.104/22 brd 10.0.63.255 scope global iptv
valid_lft forever preferred_lft forever
10.0.60.0/22 proto kernel scope link src 10.0.60.104
213.75.112.0/21 via 10.0.60.1 metric 22985
=== Service Logs ===
Jul 08 14:03:39 Router-Utrecht-2-juli-2024 udm-iptvd[3726373]: DEBUG[main@655]: timeout
Jul 08 14:03:39 Router-Utrecht-2-juli-2024 udm-iptvd[3726373]: DEBUG[main@655]: timeout
Jul 08 14:03:39 Router-Utrecht-2-juli-2024 udm-iptvd[3726373]: DEBUG[main@655]: timeout
Jul 08 14:03:39 Router-Utrecht-2-juli-2024 udm-iptvd[3726373]: DEBUG[main@655]: timeout
Jul 08 14:03:39 Router-Utrecht-2-juli-2024 udm-iptvd[3726373]: DEBUG[main@655]: timeout
Jul 08 14:03:39 Router-Utrecht-2-juli-2024 udm-iptvd[3726373]: DEBUG[main@655]: timeout
Jul 08 14:03:39 Router-Utrecht-2-juli-2024 udm-iptvd[3726373]: DEBUG[main@655]: timeout
Jul 08 14:03:39 Router-Utrecht-2-juli-2024 udm-iptvd[3726373]: DEBUG[main@655]: timeout
Jul 08 14:03:39 Router-Utrecht-2-juli-2024 udm-iptvd[3726373]: DEBUG[main@655]: timeout
Jul 08 14:03:39 Router-Utrecht-2-juli-2024 udm-iptvd[3726373]: DEBUG[main@655]: timeout
I noticed the WAN Interface at eth4 and I believe it should be eth5. Is that the problem? And if it is, how do I change it to eth5?