Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\RichText\TextElement" not found in D:\xampp\htdocs\vendor\phpoffice\phpspreadsheet\RichText\Run.php:8 Stack trace: #0 {main} thrown in D:\xampp\htdocs\vendor\phpoffice\phpspreadsheet\RichText\Run.php on line 8