( ! ) Fatal error: Uncaught Error: Class 'PhpOffice\PhpSpreadsheet\Calculation\Statistical\StatisticalValidations' not found in C:\Users\Lenovo\Documents\college\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Calculation\Statistical\Standardize.php on line 9
( ! ) Error: Class 'PhpOffice\PhpSpreadsheet\Calculation\Statistical\StatisticalValidations' not found in C:\Users\Lenovo\Documents\college\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Calculation\Statistical\Standardize.php on line 9
Call Stack
#	Time	Memory	Function	Location
1	0.3706	362720	{main}( )	...\Standardize.php:0