Warning: require(/customers/9/b/f/ztrelectric.nl/httpd.www/wp-includes/html-api/class-wp-html-attribute-token.php): Failed to open stream: No such file or directory in /customers/9/b/f/ztrelectric.nl/httpd.www/wp-settings.php on line 238

Fatal error: Uncaught Error: Failed opening required '/customers/9/b/f/ztrelectric.nl/httpd.www/wp-includes/html-api/class-wp-html-attribute-token.php' (include_path='.:/usr/share/php') in /customers/9/b/f/ztrelectric.nl/httpd.www/wp-settings.php:238
Stack trace:
#0 /customers/9/b/f/ztrelectric.nl/httpd.www/wp-config.php(113): require_once()
#1 /customers/9/b/f/ztrelectric.nl/httpd.www/wp-load.php(50): require_once('/customers/9/b/...')
#2 /customers/9/b/f/ztrelectric.nl/httpd.www/wp-blog-header.php(13): require_once('/customers/9/b/...')
#3 /customers/9/b/f/ztrelectric.nl/httpd.www/index.php(17): require('/customers/9/b/...')
#4 {main}
  thrown in /customers/9/b/f/ztrelectric.nl/httpd.www/wp-settings.php on line 238

Fatal error: Uncaught Error: Call to a member function set() on null in /customers/9/b/f/ztrelectric.nl/httpd.www/wp-includes/l10n.php:806
Stack trace:
#0 /customers/9/b/f/ztrelectric.nl/httpd.www/wp-includes/l10n.php(900): load_textdomain('default', '/customers/9/b/...', 'nl_NL')
#1 /customers/9/b/f/ztrelectric.nl/httpd.www/wp-includes/class-wp-fatal-error-handler.php(47): load_default_textdomain()
#2 [internal function]: WP_Fatal_Error_Handler->handle()
#3 {main}
  thrown in /customers/9/b/f/ztrelectric.nl/httpd.www/wp-includes/l10n.php on line 806