Fatal error: Uncaught TypeError: File::JSONtoArray(): Argument #1 ($json_string) must be of type string, null given, called in /home/u169271651/domains/faep.edu.br/public_html/quiz/Cerato/Resources/File/Reader.php on line 55 and defined in /home/u169271651/domains/faep.edu.br/public_html/quiz/Cerato/Resources/Types/Arrays.php:8 Stack trace: #0 /home/u169271651/domains/faep.edu.br/public_html/quiz/Cerato/Resources/File/Reader.php(55): File->JSONtoArray() #1 /home/u169271651/domains/faep.edu.br/public_html/quiz/Cerato/Resources/File/Reader.php(21): Reader->treatFileContent() #2 /home/u169271651/domains/faep.edu.br/public_html/quiz/Cerato/Main/Model.php(31): Reader->execute() #3 /home/u169271651/domains/faep.edu.br/public_html/quiz/App/Models/Index_Model.php(6): Model->read() #4 /home/u169271651/domains/faep.edu.br/public_html/quiz/App/Controllers/Index_Controller.php(56): Index_Model->get_quiz() #5 /home/u169271651/domains/faep.edu.br/public_html/quiz/Cerato/Core/Application.php(26): Index_Controller->quiz_action() #6 /home/u169271651/domains/faep.edu.br/public_html/quiz/index.php(25): Application->__construct() #7 {main} thrown in /home/u169271651/domains/faep.edu.br/public_html/quiz/Cerato/Resources/Types/Arrays.php on line 8