Fatal error: Uncaught Error: Class "Box\Spout\Writer\Exception\WriterException" not found in D:\web\teleflex\prd\assets\spout\src\Spout\Writer\Exception\WriterNotOpenedException.php:8 Stack trace: #0 {main} thrown in D:\web\teleflex\prd\assets\spout\src\Spout\Writer\Exception\WriterNotOpenedException.php on line 8