Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in C:\xampp\htdocs\new\OUTREACH-main (7)\OUTREACH-main\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Writer\Xlsx\RelsRibbon.php:9
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\new\OUTREACH-main (7)\OUTREACH-main\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Writer\Xlsx\RelsRibbon.php on line 9