Iam unable to access my site

Hi,

I have installed Simple LDAP Login plugin.I have configured only simple settings.Ofter that when I saved that setting iam getting fatal error..
Fatal error: Uncaught exception ‘adLDAPException’ with message ‘No LDAP support for PHP. See: https://www.php.net/ldap’ in C:\xampp\htdocs\blog\wp-content\plugins\simple-ldap-login\includes\adLDAP.php:338 Stack trace: #0 C:\xampp\htdocs\blog\wp-content\plugins\simple-ldap-login\Simple-LDAP-Login.php(34): adLDAP->__construct(Array) #1 C:\xampp\htdocs\blog\wp-content\plugins\simple-ldap-login\Simple-LDAP-Login.php(61): SimpleLDAPLogin->__construct() #2 C:\xampp\htdocs\blog\wp-content\plugins\simple-ldap-login\Simple-LDAP-Login.php(563): SimpleLDAPLogin::getInstance() #3 C:\xampp\htdocs\blog\wp-settings.php(255): include_once(‘C:\\xampp\\htdocs…’) #4 C:\xampp\htdocs\blog\wp-config.php(89): require_once(‘C:\\xampp\\htdocs…’) #5 C:\xampp\htdocs\blog\wp-load.php(37): require_once(‘C:\\xampp\\htdocs…’) #6 C:\xampp\htdocs\blog\wp-admin\admin.php(31): require_once(‘C:\\xampp\\htdocs…’) #7 C:\xampp\htdocs\blog\wp-admin\index.php(10): require_once(‘C:\\xampp\\htdocs…’) #8 {main} thrown in C:\xampp\htdocs\blog\wp-content\plugins\simple-ldap-login\includes\adLDAP.php on line 338

How to resolve that.