A PHP Error was encountered

Severity: Warning

Message: Undefined variable $error_message

Filename: views/master_login.php

Line Number: 45

Backtrace:

File: /var/www/html/staff/application/views/master_login.php
Line: 45
Function: _error_handler

File: /var/www/html/staff/application/controllers/Masterlogin.php
Line: 24
Function: view

File: /var/www/html/staff/index.php
Line: 315
Function: require_once