Getting HTTP 500 Error

[HTTP500Error]

My website URL is:
http://talhaismail.epizy.com/wp/

What I’m seeing is:
when i open my website and Wp Admin i see HTTP 500 Error

I’m using this software:
website software/CMS Wordpress

Additional information:
I just update wordpress version and got HTTP 500 Error i check all plugins through cpanel but plugins are okay so please help me i can’t access to my website please sole my issue.

[HTTP500Error]

@Admin i turned on Error Display and getting this

Warning : require(/home/vol15_8/epizy.com/epiz_23858756/htdocs/wp/wp-includes/class-wp-recovery-mode-key-service.php): failed to open stream: No such file or directory in /home/vol15_8/epizy.com/epiz_23858756/htdocs/wp/wp-settings.php on line 23

Fatal error : require(): Failed opening required ‘/home/vol15_8/epizy.com/epiz_23858756/htdocs/wp/wp-includes/class-wp-recovery-mode-key-service.php’ (include_path=‘.:/usr/share/pear/’) in /home/vol15_8/epizy.com/epiz_23858756/htdocs/wp/wp-settings.php on line 23

please tell me how to resolve this?

[Admin]

Those errors look like something went wrong during the WordPress update and some files have gone missing.

This guide can probably help you to fix your website:

https://infinityfree.net/support/how-to-fix-a-corrupted-wordpress-installation/

[HTTP500Error]

Thanks sir let me check