I have the same problem as here
I did update and upgrade.
And check de file
:~$ cat /usr/local/hestia/php/etc/php-fpm.conf
[global]
pid = /var/run/hestia-php.pid
daemonize = yes
log_level = error
emergency_restart_threshold = 10
emergency_restart_interval = 60s
process_control_timeout = 10s
events.mechanism = epoll
[www]
listen = /var/run/hestia-php.sock
user = admin
group = admin
listen.owner = admin
listen.group = admin
listen.mode = 0660
pm = ondemand
pm.max_children = 4
pm.max_requests = 1000
pm.process_idle_timeout = 10s;
env[HOSTNAME] = $HOSTNAME
env[PATH] = /usr/local/bin:/usr/bin:/bin
env[TMP] = /tmp
env[TMPDIR] = /tmp
env[TEMP] = /tmp
env[HESTIA] = $HESTIA
env[VESTA] = $HESTIA
env[LANG] = en_US.UTF-8
php_flag[display_errors] = off
php_admin_flag[log_errors] = on
php_admin_flag[session.cookie_httponly] = on
php_admin_flag[session.cookie_secure] = on
php_admin_value[memory_limit] = 256M
php_admin_value[post_max_size] = 256M
php_admin_value[upload_max_filesize] = 256M
php_admin_value[max_execution_time] = 300
php_admin_value[max_input_time] = 300
php_admin_value[session.save_path] = /usr/local/hestia/data/sessions
php_admin_value[open_basedir] = /usr/local/hestia/:/tmp/:/dev/:/home/:/etc/ssh/:/backup/
Thx
