Fatal error: Uncaught ArgumentCountError: Too few arguments to function Course::popularsearch(), 1 passed in /home/globalstudyporta/public_html/system/core/CodeIgniter.php on line 359 and at least 2 expected in /home/globalstudyporta/public_html/application/controllers/course.php:640 Stack trace: #0 /home/globalstudyporta/public_html/system/core/CodeIgniter.php(359): Course->popularsearch('0') #1 /home/globalstudyporta/public_html/index.php(202): require_once('/home/globalstu...') #2 {main} thrown in /home/globalstudyporta/public_html/application/controllers/course.php on line 640