Deprecated: Optional parameter $BIFF_version declared before required parameter $parser is implicitly treated as a required parameter in D:\laragon\laragon\www\old\titulo2\plugins\PHPExcel\Writer\Excel5\Workbook.php on line 203

Fatal error: Uncaught Error: Class "PHPExcel_Writer_Excel5_BIFFwriter" not found in D:\laragon\laragon\www\old\titulo2\plugins\PHPExcel\Writer\Excel5\Workbook.php:71 Stack trace: #0 {main} thrown in D:\laragon\laragon\www\old\titulo2\plugins\PHPExcel\Writer\Excel5\Workbook.php on line 71