unbound DNS resolver (strange error) [SOLVED]

[noplan]

checking these to boxes didnt do the th trick either

any ideas how to fix it ?

[TheNarc]

This issue has been around for years, and as far as I'm aware it is not yet well understood. There are some workarounds; refer to this thread:
https://forum.netgate.com/topic/105345/dns-resolver-unbound-can-t-change-config

[jimp]

See https://redmine.pfsense.org/issues/10781 which appears to be the primary cause of this

[noplan]

what i've done @jimp

ssh in as root (not as admin) --> 16 (restart php-fpm)

tried config resolver again ! ---> worked !

so solved ! thx

next step fixin my multiWAN mess ;)