A PHP Error was encountered

Severity: 8192

Message: md5(): Passing null to parameter #1 ($string) of type string is deprecated

Filename: models/Login.php

Line Number: 14

Backtrace:

File: G:\PleskVhosts\xform.in\sujancontinental.xformtechnologies.com\application\models\Login.php
Line: 14
Function: md5

File: G:\PleskVhosts\xform.in\sujancontinental.xformtechnologies.com\application\controllers\LoginController.php
Line: 161
Function: login_user

File: G:\PleskVhosts\xform.in\sujancontinental.xformtechnologies.com\index.php
Line: 323
Function: require_once