Warning: require_once(/usr/www/users/rooslfuwae/wp-includes/class-wp-object-cache.php): Failed to open stream: No such file or directory in /usr/www/users/rooslfuwae/wp-includes/cache.php on line 12

Fatal error: Uncaught Error: Failed opening required '/usr/www/users/rooslfuwae/wp-includes/class-wp-object-cache.php' (include_path='.:/usr/share/php') in /usr/www/users/rooslfuwae/wp-includes/cache.php:12
Stack trace:
#0 /usr/www/users/rooslfuwae/wp-includes/load.php(713): require_once()
#1 /usr/www/users/rooslfuwae/wp-settings.php(131): wp_start_object_cache()
#2 /usr/www/users/rooslfuwae/wp-config.php(90): require_once('/usr/www/users/...')
#3 /usr/www/users/rooslfuwae/wp-load.php(50): require_once('/usr/www/users/...')
#4 /usr/www/users/rooslfuwae/wp-blog-header.php(13): require_once('/usr/www/users/...')
#5 /usr/www/users/rooslfuwae/index.php(9): require('/usr/www/users/...')
#6 {main}
  thrown in /usr/www/users/rooslfuwae/wp-includes/cache.php on line 12