Fatal error: Uncaught exception 'PHPExcel_Exception' with message 'Multibyte function overloading in PHP must be disabled for string functions (2).' in /home/bitrix/www/test/PHPExcel/Autoloader.php:34 Stack trace: #0 /home/bitrix/www/test/PHPExcel.php(32): require() #1 /home/bitrix/www/test/index.php(4): include('/home/bitrix/ww...') #2 {main} thrown in /home/bitrix/www/test/PHPExcel/Autoloader.php on line 34