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Fatal error: Uncaught TypeError: array_map(): Argument #2 ($array) must be of type array, null given in /var/www/newjersey/updateAppt.php:16 Stack trace: #0 /var/www/newjersey/updateAppt.php(16): array_map() #1 {main} thrown in /var/www/newjersey/updateAppt.php on line 16