An uncaught Exception was encountered

Type: Error

Message: Call to a member function result() on bool

Filename: /home/sageub/public_html/application/helpers/common_helper.php

Line Number: 435

Backtrace:

File: /home/sageub/public_html/application/controllers/School.php
Line: 805
Function: get_placement_data_by_school_id

File: /home/sageub/public_html/index.php
Line: 316
Function: require_once