Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Chart\Properties" not found in C:\melius\michael.douglas\web\prod\credpay\_common\classes\phpspreadsheet\chart\trendline.php:5 Stack trace: #0 {main} thrown in C:\melius\michael.douglas\web\prod\credpay\_common\classes\phpspreadsheet\chart\trendline.php on line 5