Ограничение доступа

Доброе утро!
Сегодня попытался зайти на сайт, выскакивает страница с ошибкой 500 — ограничение доступа.
В логах следующее:
home/neurorad/domains/neuroradiology.org.ua/public_html/wp-includes/wp-vcd.php): failed to open stream: Permission denied in /home/neurorad/domains/neuroradiology.org.ua/public_html/wp-includes/post.php on line 1

Warning: include_once(): Failed opening ‘/home/neurorad/domains/neuroradiology.org.ua/public_html/wp-includes/wp-vcd.php’ for inclusion (include_path=’.:/usr/local/php72cgi/lib/php’) in /home/neurorad/domains/neuroradiology.org.ua/public_html/wp-includes/post.php on line 1

Warning: include(/home/neurorad/domains/neuroradiology.org.ua/public_html/wp-content/themes/health-center-lite/functions.php): failed to open stream: Permission denied in /home/neurorad/domains/neuroradiology.org.ua/public_html/wp-settings.php on line 499

Warning: include(): Failed opening ‘/home/neurorad/domains/neuroradiology.org.ua/public_html/wp-content/themes/health-center-lite/functions.php’ for inclusion (include_path=’/home/neurorad/domains/neuroradiology.org.ua/public_html/wp-content/plugins/backwpup/vendor/pear/archive_tar:/home/neurorad/domains/neuroradiology.org.ua/public_html/wp-content/plugins/backwpup/vendor/pear/console_getopt:/home/neurorad/domains/neuroradiology.org.ua/public_html/wp-content/plugins/backwpup/vendor/pear/http_request2:/home/neurorad/domains/neuroradiology.org.ua/public_html/wp-content/plugins/backwpup/vendor/pear/mail_mime:/home/neurorad/domains/neuroradiology.org.ua/public_html/wp-content/plugins/backwpup/vendor/pear/mail_mime-decode:/home/neurorad/domains/neuroradiology.org.ua/public_html/wp-content/plugins/backwpup/vendor/pear/net_url2:/home/neurorad/domains/neuroradiology.org.ua/public_html/wp-content/plugins/backwpup/vendor/pear/pear-core-minimal/src:/home/neurorad/domains/neuroradiology.org.ua/public_html/wp-content/plugins/backw in /home/neurorad/domains/neuroradiology.org.ua/public_html/wp-settings.php on line 499

[17-Jun-2019 05:46:58 UTC] PHP Fatal error: Uncaught Error: Call to undefined function theme_data_setup() in /home/neurorad/domains/neuroradiology.org.ua/public_html/wp-content/themes/health-center-lite/header.php:10
Stack trace:
#0 /home/neurorad/domains/neuroradiology.org.ua/public_html/wp-includes/template.php(722): require_once()
#1 /home/neurorad/domains/neuroradiology.org.ua/public_html/wp-includes/template.php(671): load_template(‘/home/neurorad/…’, true)
#2 /home/neurorad/domains/neuroradiology.org.ua/public_html/wp-includes/general-template.php(41): locate_template(Array, true)
#3 /home/neurorad/domains/neuroradiology.org.ua/public_html/wp-content/themes/health-center-lite/404.php(1): get_header()
#4 /home/neurorad/domains/neuroradiology.org.ua/public_html/wp-includes/template-loader.php(78): include(‘/home/neurorad/…’)
#5 /home/neurorad/domains/neuroradiology.org.ua/public_html/wp-blog-header.php(19): require_once(‘/home/neurorad/…’)
#6 /home/neurorad/domains/neuroradiology.org.ua/public_html/index.php(17): require(‘/home/neurorad/…’) in /home/neurorad/domains/neuroradiology.org.ua/public_html/wp-content/themes/health-center-lite/header.php on line 10

Что делать?

Страница, с которой нужна помощь: [войдите, чтобы увидеть ссылку]