Just thought I'd share my experience, while not on pfsense, using ntopng Community v.6.7.260105 rev.27191 (FreeBSD 14.0), disabling "Active Network Discovery" was all that was needed for the crashes to stop. Since I disabled this, the service has been up and running nonstop for ~3 days now. Before, it wouldn't last longer than 4-12 hours before crashing/stopping with no logs.