Fatal error: Uncaught Error: Interface "PhpOffice\PhpSpreadsheet\IComparable" not found in /home/apolo/public_html/sgdpr/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Style/Supervisor.php:9
Stack trace:
#0 {main}
thrown in /home/apolo/public_html/sgdpr/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Style/Supervisor.php on line 9