Fatal error: Uncaught Error: Undefined constant "PHPEXCEL_ROOT" in /home/dario/Servidor/CodingIt/MyFileRunner/App_con_historico_kuliza/app/lib/phpexcel/Classes/PHPExcel/Autoloader.php:73 Stack trace: #0 /home/dario/Servidor/CodingIt/MyFileRunner/App_con_historico_kuliza/app/lib/phpexcel/Classes/PHPExcel/Autoloader.php(36): PHPExcel_Autoloader::Load() #1 {main} thrown in /home/dario/Servidor/CodingIt/MyFileRunner/App_con_historico_kuliza/app/lib/phpexcel/Classes/PHPExcel/Autoloader.php on line 73