( ! ) 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\Worksheet.php on line 19
( ! ) Error: Class 'PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart' not found in C:\Users\Lenovo\Documents\college\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Writer\Xlsx\Worksheet.php on line 19
Call Stack
#	Time	Memory	Function	Location
1	0.0804	365736	{main}( )	...\Worksheet.php:0