Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Reader\Xml\Style\StyleBase" not found in C:\PHP\APPS\dev\aictec_zonetec_web\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Reader\Xml\Style\Fill.php:8 Stack trace: #0 {main} thrown in C:\PHP\APPS\dev\aictec_zonetec_web\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Reader\Xml\Style\Fill.php on line 8