There were error(s) loading the rules

[Morta]

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There were error(s) loading the rules: /tmp/rules.debug:88: address family (inet/inet6) undefined - The line in question reads [88]: binat on ixl1 from $SERVER to any -> $SERVER

Line 88 in /tmp/rules.debug is

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# rdr pass on ixl1 inet proto tcp from {any} to {(ixl1)} port {80} -> $SERVER port 80

How to fix this error?

SERVER is a aliases
ixl1 is the WAN port 

[Morta]

After deleting every rule with port 80 is working fine so far