A PHP Error was encountered

Severity: Warning

Message: Attempt to read property "category_name" on null

Filename: models/Admin_model.php

Line Number: 2144

Backtrace:

File: /home/prabusankar/public_html/targetiasacademy.in/application/models/Admin_model.php
Line: 2144
Function: _error_handler

File: /home/prabusankar/public_html/targetiasacademy.in/application/controllers/Register_controller.php
Line: 975
Function: find_categoryName

File: /home/prabusankar/public_html/targetiasacademy.in/index.php
Line: 315
Function: require_once