Fatal error: Uncaught Error: [] operator not supported for strings in /home/doktorasistan/public_html/application/controllers/question.php:570
Stack trace:
#0 /home/doktorasistan/public_html/system/core/CodeIgniter.php(359): Question->question_details()
#1 /home/doktorasistan/public_html/index.php(224): require_once('/home/doktorasi...')
#2 {main}
thrown in /home/doktorasistan/public_html/application/controllers/question.php on line 570