An uncaught Exception was encountered

Type: Error

Message: Call to a member function num_rows() on boolean

Filename: /var/www/html/vdd/application/models/ciauth/Users.php

Line Number: 31

Backtrace:

File: /var/www/html/vdd/application/libraries/CIAuth.php
Line: 77
Function: get_roles

File: /var/www/html/vdd/application/libraries/CIAuth.php
Line: 30
Function: _init

File: /var/www/html/vdd/application/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /var/www/html/vdd/application/third_party/MX/Loader.php
Line: 190
Function: library

File: /var/www/html/vdd/application/third_party/MX/Loader.php
Line: 153
Function: libraries

File: /var/www/html/vdd/application/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /var/www/html/vdd/application/third_party/MX/Base.php
Line: 55
Function: __construct

File: /var/www/html/vdd/application/third_party/MX/Base.php
Line: 60
Function: __construct

File: /var/www/html/vdd/application/third_party/MX/Controller.php
Line: 4
Function: require

File: /var/www/html/vdd/application/third_party/MX/Modules.php
Line: 123
Function: include_once

File: /var/www/html/vdd/application/modules/admin/controllers/Admin.php
Line: 4
Function: spl_autoload_call

File: /var/www/html/vdd/index.php
Line: 319
Function: require_once