Fatal error: Uncaught TypeError: array_push(): Argument #1 ($array) must be of type array, null given in /home/drec/drec.co.jp/public_html/estation/Controllers/FlyerController.php:81 Stack trace: #0 /home/drec/drec.co.jp/public_html/estation/Controllers/FlyerController.php(81): array_push(NULL, Array) #1 /home/drec/drec.co.jp/public_html/estation/Routes/root.php(214): DREC\Controllers\FlyerController::show('hirosaki-2021-1...') #2 /home/drec/drec.co.jp/public_html/estation/public/index.php(29): include_once('/home/drec/drec...') #3 {main} thrown in /home/drec/drec.co.jp/public_html/estation/Controllers/FlyerController.php on line 81