Fatal error: Uncaught Error: Interface "PHPExcel_IComparable" not found in D:\laragon\laragon\www\old\pre-vent\report\plugins\PHPExcel\Style\Font.php:36 Stack trace: #0 {main} thrown in D:\laragon\laragon\www\old\pre-vent\report\plugins\PHPExcel\Style\Font.php on line 36