Configuration file error Permission denied. Retry

[magret2canard]

Hello

I have doing bad thing.

I'm new to linux I had to modify a right without doing it on purpose and suddenly I can no longer operate the zabbix server






other command -> journalctl -xe can be find here https://pastebin.com/DRDjv54n

thx you for your help

[vladimir_lv]

Navigate to /etc/zabbix/web and change ownership & permission of a file zabbix.conf.php from www-data:www-data to root:root & changing permission from 600 to 644