Declare a static route to reach other LAN

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Tried now with these commands:
nmcli con edit “Supervisor enp2s1”
set ipv4.routes 192.168.200.0/24 192.168.8.3
save persistent
but I get this error:
Error: Failed to save ‘Supervisor enp2s1’ (27a9ad08-bf14-3be8-ab21-dea262f723d4) connection: ipv4.dns-data: unknown property

I don’t see the ipv4.dns-data property, what’s the problem?

With the ip route commands it works but like said by luis it’s not persistent.

Thanks