A PHP Error was encountered

Severity: Notice

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

Filename: controllers/User.php

Line Number: 81

Backtrace:

File: /home1/utsavuwk/purandarplots.com/application/controllers/User.php
Line: 81
Function: _error_handler

File: /home1/utsavuwk/purandarplots.com/index.php
Line: 315
Function: require_once