Fatal error: Uncaught Error: Class "Box\Spout\Writer\Common\Manager\WorkbookManagerAbstract" not found in D:\web\teleflex\prd\assets\spout\src\Spout\Writer\XLSX\Manager\WorkbookManager.php:14 Stack trace: #0 {main} thrown in D:\web\teleflex\prd\assets\spout\src\Spout\Writer\XLSX\Manager\WorkbookManager.php on line 14