Fatal error: Uncaught Error: Call to undefined function wp_kses() in /customers/6/6/0/deact.se/httpd.www/wp-includes/functions.php:6073
Stack trace:
#0 /customers/6/6/0/deact.se/httpd.www/wp-includes/functions.php(5799): wp_trigger_error('', 'File date.php i...', 16384)
#1 /customers/6/6/0/deact.se/httpd.www/wp-includes/date.php(11): _deprecated_file('date.php', '5.3.0', 'wp-includes/cla...')
#2 /customers/6/6/0/deact.se/httpd.www/wp-settings.php(166): require('/customers/6/6/...')
#3 /customers/6/6/0/deact.se/httpd.www/wp-config.php(96): require_once('/customers/6/6/...')
#4 /customers/6/6/0/deact.se/httpd.www/wp-load.php(37): require_once('/customers/6/6/...')
#5 /customers/6/6/0/deact.se/httpd.www/wp-blog-header.php(13): require_once('/customers/6/6/...')
#6 /customers/6/6/0/deact.se/httpd.www/index.php(17): require('/customers/6/6/...')
#7 {main}
  thrown in /customers/6/6/0/deact.se/httpd.www/wp-includes/functions.php on line 6073

Fatal error: Uncaught Error: Class "WP_Translation_Controller" not found in /customers/6/6/0/deact.se/httpd.www/wp-includes/l10n.php:800
Stack trace:
#0 /customers/6/6/0/deact.se/httpd.www/wp-includes/l10n.php(959): load_textdomain('default', '/customers/6/6/...', 'en_GB')
#1 /customers/6/6/0/deact.se/httpd.www/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain()
#2 [internal function]: WP_Fatal_Error_Handler->handle()
#3 {main}
  thrown in /customers/6/6/0/deact.se/httpd.www/wp-includes/l10n.php on line 800