Fatal error: Uncaught Error: Class 'PhpOffice\PhpSpreadsheet\Calculation\LookupRef\LookupBase' not found in D:\php\WWW\xhqmzzwatdqc.cccf.net\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Calculation\LookupRef\VLookup.php:9 Stack trace: #0 {main} thrown in D:\php\WWW\xhqmzzwatdqc.cccf.net\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Calculation\LookupRef\VLookup.php on line 9