Cant access

This site is best viewed in a modern browser with JavaScript enabled.

lfc

Can access and login to web, but can not access to page [pbxip]/index.php?menu=pbxadmin. HTTP 500

HTTPD service is running, tried to restart. Have enough free storage space
What solutions can you advice?

lfc

[root@issabel ~]# ss -tulpn | grep 80
udp UNCONN 0 0 127.0.0.1:323 : users("chronyd",pid=805,fd=5))
udp UNCONN 0 0 [::1]:323 [::]: users("chronyd",pid=805,fd=6))
tcp LISTEN 0 10 :8088 : users("asterisk",pid=1435,fd=9))
tcp LISTEN 0 10 :8089 : users("asterisk",pid=1435,fd=10))
tcp LISTEN 0 128 [::]:80 [::]: users("httpd",pid=9494,fd=4),("httpd",pid=9465,fd=4),("httpd",pid=9259,fd=4),("httpd",pid=9219,fd=4),("httpd",pid=9203,fd=4),("httpd",pid=9202,fd=4),("httpd",pid=9201,fd=4),("httpd",pid=9200,fd=4),("httpd",pid=9199,fd=4),("httpd",pid=9197,fd=4))
[root@issabel ~]# ss -tulpn | grep 443
tcp LISTEN 0 128 [::]:443 [::]:* users("httpd",pid=9494,fd=6),("httpd",pid=9465,fd=6),("httpd",pid=9259,fd=6),("httpd",pid=9219,fd=6),("httpd",pid=9203,fd=6),("httpd",pid=9202,fd=6),("httpd",pid=9201,fd=6),("httpd",pid=9200,fd=6),("httpd",pid=9199,fd=6),("httpd",pid=9197,fd=6))

PORT STATE SERVICE
80/tcp open http
443/tcp open https

Can be this problem?
mariadb.service loaded failed failed MariaDB database server
cannot start service with error:
Unregistered Authentication Agent