Wireguard - Error: Rule family not supported.

Problems with ipv6.

root@mobian:/etc/wireguard# wg-quick up wg0
[#] ip link add wg0 type wireguard
[#] wg setconf wg0 /dev/fd/63
[#] ip -4 address add 10.10.1.14 dev wg0
[#] ip -6 address add <ipv6>::14 dev wg0
[#] ip link set mtu 1420 up dev wg0
[#] resolvconf -a tun.wg0 -m 0 -x
[#] wg set wg0 fwmark 51820
[#] ip -6 route add ::/0 dev wg0 table 51820
[#] ip -6 rule add not fwmark 51820 table 51820
Error: Rule family not supported.
[#] resolvconf -d tun.wg0 -f
[#] ip link delete dev wg0

Is this kernel parameter set 'CONFIG_IPV6_MULTIPLE_TABLE' ? (Look @ this thread -> https://forum.armbian.com/topic/4861-wireguard-on-armbian-tinkerboard/)

Ok, found it in /boot/config-5.7-pinephone it isn't set

# CONFIG_IPV6_MULTIPLE_TABLES is not set