Another one. ==> /var/log/php5-fpm/statusnet-error.log <== 2013-10-22 15:05:27 LOG_ERR: [sn.postblue.info:9636.40aafe0d POST /main/salmon/user/1] ServerErrorAction: 500 Déjà abonné ! #0 /var/www/gnu-social/plugins/OStatus/actions/usersalmon.php(125): Subscription::start(Object(Profile), Object(Profile)) #1 /var/www/gnu-social/plugins/OStatus/actions/salmon.php(104): UsersalmonAction->handleFollow() #2 /var/www/gnu-social/lib/action.php(124): SalmonAction->handle(Array) #3 /var/www/gnu-social/lib/action.php(103): Action->execute(Array) #4 [internal function]: Action::run(Array) #5 /var/www/gnu-social/index.php(340): call_user_func('UsersalmonActio...', Array) #6 /var/www/gnu-social/index.php(354): main() #7 {main}