22 - Fetching data from table using MVC way | CodeIgniter 3 Tutorial

In this session, we discussed about how to fetch data from database

[@chandandubey7280]

A PHP Error was encountered
Severity: Warning
Message: count(): Parameter must be an array or an object that implements Countable
Filename: views/students_view.php
Line Number: 14
Backtrace:
File: C:\xampp\htdocs\framework\application\views\students_view.php
Line: 14
Function: _error_handler
File: C:\xampp\htdocs\framework\application\controllers\Students.php
Line: 16
Function: view
File: C:\xampp\htdocs\framework\index.php
Line: 315
Function: require_once
Sir why this error is showing, please help me out!