CyberPanel Issue

I have successfully install cyber panel on ubuntu 20.04. But after that my server’s firewall is blocking everything. I was not able to use the cyberpanel url. When I am visiting my ip it showed 404 error. And I am not also able to use ufw comman and any apt command. Thankyou

Provider: Digital Ocean … etc

Virtualization Type: OpenVZ

System: Ubuntu 20.04

OLS or Enterprise?
OLS

Installing from official server or mirror server?
official

Install Memcached extension for PHP?
Yes

Install LiteSpeed Memcached?
yes

Install Memcached?
Yes

Install Redis extension for PHP?
yes

Install Redis?
yes

Problem:
After installation I cannot access my server. When I am typing my ip it shows 404 issue.

I can not login my cyberpanel after installation I face this problem i.e. Server Error (500)

when i type my IP addres with :8090. I found this problem Server Error (500). Please solve this problem