( ! ) Fatal error: Uncaught Error: Class 'PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart' not found in C:\Users\Lenovo\Documents\college\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Writer\Xlsx\DocProps.php on line 11
( ! ) Error: Class 'PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart' not found in C:\Users\Lenovo\Documents\college\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Writer\Xlsx\DocProps.php on line 11
Call Stack
#	Time	Memory	Function	Location
1	0.0949	362600	{main}( )	...\DocProps.php:0