Warning: include(Cake\bootstrap.php): failed to open stream: No such file or directory in E:\wamp\www\cake_administrator\webroot\index.php on line 100

Warning: include(): Failed opening 'Cake\bootstrap.php' for inclusion (include_path='E:\wamp\www\lib;.;C:\php\pear') in E:\wamp\www\cake_administrator\webroot\index.php on line 100

Fatal error: CakePHP core could not be found. Check the value of CAKE_CORE_INCLUDE_PATH in APP/webroot/index.php. It should point to the directory containing your \cake core directory and your \vendors root directory. in E:\wamp\www\cake_administrator\webroot\index.php on line 109