Warning: Use of undefined constant PHPEXCEL_ROOT - assumed 'PHPEXCEL_ROOT' (this will throw an Error in a future version of PHP) in /opt/lampp/htdocs/dhtmlxSuite_v5.1/codebase/grid-excel-php/lib/PHPExcel.original/Autoloader.php on line 49
Fatal error: Uncaught Error: Class 'PHPExcel_Shared_ZipStreamWrapper' not found in /opt/lampp/htdocs/dhtmlxSuite_v5.1/codebase/grid-excel-php/lib/PHPExcel.original/Autoloader.php:29
Stack trace:
#0 {main}
thrown in /opt/lampp/htdocs/dhtmlxSuite_v5.1/codebase/grid-excel-php/lib/PHPExcel.original/Autoloader.php on line 29