( ! ) Fatal error: Uncaught Error: Undefined constant "PHPEXCEL_ROOT" in R:\Ampps\www\ZDesarrollo\Experimental\Contabilidad\347 2017\Excel (Variaciones)\Classes\PHPExcel\Shared\trend\exponentialBestFitClass.php on line 29
( ! ) Error: Undefined constant "PHPEXCEL_ROOT" in R:\Ampps\www\ZDesarrollo\Experimental\Contabilidad\347 2017\Excel (Variaciones)\Classes\PHPExcel\Shared\trend\exponentialBestFitClass.php on line 29
Call Stack
#	Time	Memory	Function	Location
1	0.0009	423432	{main}( )	...\exponentialBestFitClass.php:0