Severity: Notice
Message: Undefined index: user_id
Filename: front_end/Npl_c.php
Line Number: 27
Backtrace:
File: /var/www/html/application/controllers/front_end/Npl_c.php
Line: 27
Function: _error_handler
File: /var/www/html/index.php
Line: 315
Function: require_once