Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in C:\xampp\htdocs\Admin\houly\rating\rating_db\PHPExcel\Classes\PHPExcel\Chart\DataSeries.php:152 Stack trace: #0 C:\xampp\htdocs\Admin\houly\rating\rating_db\PHPExcel\Examples\33chartcreate-composite.php(131): PHPExcel_Chart_DataSeries->__construct('lineChart', 'standard', Array, Array, NULL, Array) #1 {main} thrown in C:\xampp\htdocs\Admin\houly\rating\rating_db\PHPExcel\Classes\PHPExcel\Chart\DataSeries.php on line 152