https://forum.opnsense.org/index.php?topic=3581.30
No, just go to Reporting: Settings and reset the Netflow/Insight data from there.
There were error(s) loading the rules: /tmp/rules.debug:15: cannot define table bogonsv6: Cannot allocate memory - The line in question reads [15]: table <bogonsv6> persist file "/usr/local/etc/bogonsv6"
No idea about the first issue..But the error you mentioned means your maximum table entries are too small. (Firewall > Settings > Advanced)Try bumping them to 500'000.Link for reference:https://forum.opnsense.org/index.php?topic=7194.0