Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /home/sakanaclub/sakanaclub.xsrv.jp/public_html/growdiff_graph.php:128 Stack trace: #0 {main} thrown in /home/sakanaclub/sakanaclub.xsrv.jp/public_html/growdiff_graph.php on line 128