A PHP Error was encountered

Severity: Notice

Message: Undefined variable: user_id

Filename: inc/sp-menu.php

Line Number: 23

Backtrace:

File: /var/www/diy9/application/views/inc/sp-menu.php
Line: 23
Function: _error_handler

File: /var/www/diy9/application/views/footer-register.php
Line: 10
Function: include

File: /var/www/diy9/application/controllers/Auth.php
Line: 457
Function: view

File: /var/www/diy9/public/index.php
Line: 315
Function: require_once