01 Simple file reader using IOFactory

11:03:01 Loading file example1.xls using IOFactory to identify the format

Fatal error: Uncaught exception 'PhpOffice\PhpSpreadsheet\Reader\Exception' with message 'Unable to identify a reader for this file' in /home/http-content/www.auvix.ru/www/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/IOFactory.php:153 Stack trace: #0 /home/http-content/www.auvix.ru/www/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/IOFactory.php(93): PhpOffice\PhpSpreadsheet\IOFactory::createReaderForFile('/home/http-cont...') #1 /home/http-content/www.auvix.ru/www/vendor/phpoffice/phpspreadsheet/samples/Reader/01_Simple_file_reader_using_IOFactory.php(9): PhpOffice\PhpSpreadsheet\IOFactory::load('/home/http-cont...') #2 {main} thrown in /home/http-content/www.auvix.ru/www/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/IOFactory.php on line 153