Fatal error om Activation

Solved by changing path to lib frorm root to relevant in :

function check_prerequisite()
{
$windowsAzureFilePath = dirname(__FILE__) .’/library/WindowsAzure/WindowsAzure.php’;
if ((file_exists($windowsAzureFilePath) === true) && (is_readable($windowsAzureFilePath) === true)) {
return;
}

// Windows Azure SDK for PHP is not available
$message = ‘<p style=”color: red”>‘
. ‘Windows Azure SDK for PHP is not found. ‘
. ‘Please download and copy the Windows Azure SDK for PHP to library directory and dependencies to ‘
. ‘to dependencies directory </p>’;

if (function_exists(‘deactivate_plugins’)) {
deactivate_plugins(__FILE__);
} else {
$message = $message . ‘<p style=”color: red”>‘
. ‘Please deactivate this plugin Immediately</p>’;
}

die($message);
}