I got this error on Pfsense 2.4.3-RELEASE

[Grapeape22]

There were error(s) loading the rules: /tmp/rules.debug:18: cannot define table bogonsv6: Cannot allocate memory - The line in question reads [18]: table <bogonsv6> persist file "/etc/bogonsv6"
@ 2018-04-01 06:00:41

[bingo600]

See
https://forum.pfsense.org/index.php?topic=145990.0

I have it on 2.4.2-p1 too

/Bingo