Solve: PHP Fatal error: Uncaught Error: Class Spreadsheet. ▷ List of libs which containing the class Spreadsheet

Derby\Media\File\Spreadsheet

This class belongs to the vendor Mindgruve and the package Derby

This class belongs to the vendor Kaleoz and the package Excel-lib

This class belongs to the vendor Fusonic and the package Spreadsheet-export

This class belongs to the vendor Marble-d and the package Phpspreadsheet

This class belongs to the vendor Apollo29 and the package Contacts

This class belongs to the vendor Littlerobinson and the package Query-builder-bundle

This class belongs to the vendor Test_11 and the package Demo1

This class belongs to the vendor Pixium and the package Yii2-spreadsheet

This class belongs to the vendor Ballstatecber and the package Datacenter-plugin-cakephp4

This class belongs to the vendor Ramaid and the package Laravolt