Warning: require(E:\phpstudy_pro\WWW\public/../vendor/autoload.php): failed to open stream: No such file or directory in E:\phpstudy_pro\WWW\public\index.php on line 15

Fatal error: require(): Failed opening required 'E:\phpstudy_pro\WWW\public/../vendor/autoload.php' (include_path='.;C:\php\pear') in E:\phpstudy_pro\WWW\public\index.php on line 15