Fatal error: Uncaught Error: Interface "PHPExcel_Writer_IWriter" not found in D:\laragon\laragon\www\old\titulofeb5\report\plugins\PHPExcel\Writer\Excel5.php:36 Stack trace: #0 {main} thrown in D:\laragon\laragon\www\old\titulofeb5\report\plugins\PHPExcel\Writer\Excel5.php on line 36