( ! ) Fatal error: Uncaught Error: Class 'PhpOffice\PhpSpreadsheet\Calculation\LookupRef\LookupRefValidations' not found in C:\Users\Lenovo\Documents\college\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Calculation\LookupRef\Sort.php on line 12
( ! ) Error: Class 'PhpOffice\PhpSpreadsheet\Calculation\LookupRef\LookupRefValidations' not found in C:\Users\Lenovo\Documents\college\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Calculation\LookupRef\Sort.php on line 12
Call Stack
#	Time	Memory	Function	Location
1	0.2997	363768	{main}( )	...\Sort.php:0