Warning: require(/home/.sites/71/site8478959/web/wp-includes/class-wp-fatal-error-handler.php): Failed to open stream: No such file or directory in /home/.sites/71/site8478959/web/wp-settings.php on line 21

Fatal error: Uncaught Error: Failed opening required '/home/.sites/71/site8478959/web/wp-includes/class-wp-fatal-error-handler.php' (include_path='.:/usr/lib/php://share/php/php:/usr/share/pear:/usr/share/php') in /home/.sites/71/site8478959/web/wp-settings.php:21
Stack trace:
#0 /home/.sites/71/site8478959/web/wp-config.php(115): require_once()
#1 /home/.sites/71/site8478959/web/wp-load.php(37): require_once('/home/.sites/71...')
#2 /home/.sites/71/site8478959/web/wp-blog-header.php(13): require_once('/home/.sites/71...')
#3 /home/.sites/71/site8478959/web/index.php(17): require('/home/.sites/71...')
#4 {main}
  thrown in /home/.sites/71/site8478959/web/wp-settings.php on line 21