Warning: require(/customers/e/8/2/vectrodesign.be/httpd.www/wp-includes/html-api/class-wp-html-doctype-info.php): Failed to open stream: No such file or directory in /customers/e/8/2/vectrodesign.be/httpd.www/wp-settings.php on line 257

Fatal error: Uncaught Error: Failed opening required '/customers/e/8/2/vectrodesign.be/httpd.www/wp-includes/html-api/class-wp-html-doctype-info.php' (include_path='.:/usr/share/php') in /customers/e/8/2/vectrodesign.be/httpd.www/wp-settings.php:257
Stack trace:
#0 /customers/e/8/2/vectrodesign.be/httpd.www/wp-config.php(96): require_once()
#1 /customers/e/8/2/vectrodesign.be/httpd.www/wp-load.php(50): require_once('/customers/e/8/...')
#2 /customers/e/8/2/vectrodesign.be/httpd.www/wp-blog-header.php(13): require_once('/customers/e/8/...')
#3 /customers/e/8/2/vectrodesign.be/httpd.www/index.php(19): require('/customers/e/8/...')
#4 {main}
  thrown in /customers/e/8/2/vectrodesign.be/httpd.www/wp-settings.php on line 257

Fatal error: Uncaught Error: Call to a member function set() on null in /customers/e/8/2/vectrodesign.be/httpd.www/wp-includes/l10n.php:856
Stack trace:
#0 /customers/e/8/2/vectrodesign.be/httpd.www/wp-includes/l10n.php(959): load_textdomain('default', '/customers/e/8/...', 'nl_NL')
#1 /customers/e/8/2/vectrodesign.be/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/e/8/2/vectrodesign.be/httpd.www/wp-includes/l10n.php on line 856