A PHP Error was encountered

Severity: Notice

Message: Undefined variable: user

Filename: controllers/Oauth2.php

Line Number: 128

Backtrace:

File: /var/www/{directory}/application/modules/auth/controllers/Oauth2.php
Line: 128
Function: _error_handler

File: /var/www/{directory}/index.php
Line: 315
Function: require_once

NULL