( ! ) Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xls\BIFFwriter" not found in R:\Ampps\www\ZDesarrollo\Experimental\Contabilidad\347 2018\Excel\phpSpreadsheet-develop\src\PhpSpreadsheet\Writer\Xls\Workbook.php on line 46
( ! ) Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xls\BIFFwriter" not found in R:\Ampps\www\ZDesarrollo\Experimental\Contabilidad\347 2018\Excel\phpSpreadsheet-develop\src\PhpSpreadsheet\Writer\Xls\Workbook.php on line 46
Call Stack
#	Time	Memory	Function	Location
1	0.0021	583600	{main}( )	...\Workbook.php:0