Warning: require(/var/www/html/vendor/composer/../../extensions/SemanticMediaWiki/includes/GlobalFunctions.php): Failed to open stream: Input/output error in /var/www/html/vendor/composer/autoload_real.php on line 75

Fatal error: Uncaught Error: Failed opening required '/var/www/html/vendor/composer/../../extensions/SemanticMediaWiki/includes/GlobalFunctions.php' (include_path='/var/www/html/vendor/pear/console_getopt:/var/www/html/vendor/pear/mail:/var/www/html/vendor/pear/mail_mime:/var/www/html/vendor/pear/net_smtp:/var/www/html/vendor/pear/net_socket:/var/www/html/vendor/pear/net_url2:/var/www/html/vendor/pear/pear_exception:/var/www/html/vendor/pear/pear-core-minimal/src:.:/usr/local/lib/php') in /var/www/html/vendor/composer/autoload_real.php:75 Stack trace: #0 /var/www/html/vendor/composer/autoload_real.php(65): composerRequire_mediawiki_vendor() #1 /var/www/html/vendor/autoload.php(7): ComposerAutoloaderInit_mediawiki_vendor::getLoader() #2 /var/www/html/includes/AutoLoader.php(327): require_once('/var/www/html/v...') #3 /var/www/html/includes/Setup.php(114): require_once('/var/www/html/i...') #4 /var/www/html/includes/WebStart.php(86): require_once('/var/www/html/i...') #5 /var/www/html/index.php(44): require('/var/www/html/i...') #6 {main} thrown in /var/www/html/vendor/composer/autoload_real.php on line 75