Fatal error: Uncaught TypeError: extract(): Argument #1 ($array) must be of type array, null given in /var/www/html/popdyn/PopGrowthList.php:69 Stack trace: #0 /var/www/html/popdyn/PopGrowthList.php(69): extract() #1 {main} thrown in /var/www/html/popdyn/PopGrowthList.php on line 69