I want to create an independant file by calling Sugar class to send email .
there are some code that i use

require_once('include/SugarPHPMailer.php');
require_once("modules/Administration/Administration.php");

$mail = new SugarPHPMailer();
$admin = new Administration();

but it returns some error as following

Notice: Undefined index: log in D:\wamp\www\ullink_dev\modules\DynamicFields\Dynam icField.php on line 127

Fatal error: Call to a member function debug() on a non-object in D:\wamp\www\ullink_dev\modules\DynamicFields\Dynam icField.php on line 127

Notice: Undefined index: log in D:\wamp\www\ullink_dev\include\database\MysqliMana ger.php on line 144

Fatal error: Call to a member function info() on a non-object in D:\wamp\www\ullink_dev\include\database\MysqliMana ger.php on line 144

Can everybody help me ?