PHP-error when disableing a FW-rule in an interface group

[louis2]

amd64
14.0-CURRENT
FreeBSD 14.0-CURRENT #0 devel-main-n255816-795698e2c4a: Wed Nov 16 06:29:49 UTC 2022 root@freebsd:/var/jenkins/workspace/pfSense-CE-snapshots-master-main/obj/amd64/JCGDNwAW/var/jenkins/workspace/pfSense-CE-snapshots-master-main/sources/FreeBSD-src-dev

Crash report details:

PHP Errors:
[19-Nov-2022 22:23:10 Europe/Amsterdam] PHP Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /usr/local/www/firewall_rules.php:54
Stack trace:
#0 /usr/local/www/firewall_rules.php(85): get_pf_rules(Array, 1663317627, 1663317627)
#1 /usr/local/www/firewall_rules.php(769): print_states(1663317627)
#2 {main}
thrown in /usr/local/www/firewall_rules.php on line 54

[jimp]

Looks like that's already a known issue:

https://redmine.pfsense.org/issues/13660