A PHP Error was encountered

Severity: Notice

Message: Trying to get property 'user_id' of non-object

Filename: dlib/get_list_contact.php

Line Number: 9

Backtrace:

File: /var/www/www/application/libraries/inc/dlib/get_list_contact.php
Line: 9
Function: _error_handler

File: /var/www/www/application/libraries/Dlib.php
Line: 4803
Function: include

File: /var/www/www/application/views/partials/navbar.php
Line: 811
Function: get_list_contact

File: /var/www/www/application/views/coverage/index_v.php
Line: 3
Function: include

File: /var/www/www/application/controllers/inc/coverage/index.php
Line: 72
Function: view

File: /var/www/www/application/controllers/Coverage.php
Line: 20
Function: require

File: /var/www/www/index.php
Line: 283
Function: require_once