Warning: require(/code/wp-includes/version.php): Failed to open stream: Permission denied in /code/wp-settings.php on line 34

Fatal error: Uncaught Error: Failed opening required '/code/wp-includes/version.php' (include_path='.:/usr/share/php') in /code/wp-settings.php:34 Stack trace: #0 /code/wp-config.php(102): require_once() #1 /code/wp-load.php(50): require_once('...') #2 /code/wp-blog-header.php(13): require_once('...') #3 /code/index.php(4): require('...') #4 {main} thrown in /code/wp-settings.php on line 34