A PHP Error was encountered

Severity: Warning

Message: Attempt to read property "user_id" on null

Filename: associate/User.php

Line Number: 12

Backtrace:

File: /www/wwwroot/renbow.uk/application/controllers/associate/User.php
Line: 12
Function: _error_handler

File: /www/wwwroot/renbow.uk/index.php
Line: 316
Function: require_once