Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Reader\Xml\Style\StyleBase" not found in /home1/ccdecolo/public_html/solucionesgsi.com/certigsi/app/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Reader/Xml/Style/Fill.php:8 Stack trace: #0 {main} thrown in /home1/ccdecolo/public_html/solucionesgsi.com/certigsi/app/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Reader/Xml/Style/Fill.php on line 8