( ! ) Fatal error: Uncaught Error: Interface "PhpOffice\PhpSpreadsheet\IComparable" not found in R:\Ampps\www\ZDesarrollo\Experimental\Contabilidad\347 2018\Excel\phpSpreadsheet-develop\src\PhpSpreadsheet\Worksheet\Worksheet.php on line 28
( ! ) Error: Interface "PhpOffice\PhpSpreadsheet\IComparable" not found in R:\Ampps\www\ZDesarrollo\Experimental\Contabilidad\347 2018\Excel\phpSpreadsheet-develop\src\PhpSpreadsheet\Worksheet\Worksheet.php on line 28
Call Stack
#	Time	Memory	Function	Location
1	0.0032	779768	{main}( )	...\Worksheet.php:0