Warning: Undefined global variable $_SESSION in /home/unifunvicedu/vestibular.unifunvic.edu.br/resultado.php on line 17

Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, null given in /home/unifunvicedu/vestibular.unifunvic.edu.br/resultado.php:17 Stack trace: #0 {main} thrown in /home/unifunvicedu/vestibular.unifunvic.edu.br/resultado.php on line 17