Fatal error: Uncaught Error: Class 'PHPExcel_Writer_Excel2007_WriterPart' not found in /home/app/htdocs/lidia/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007/Workbook.php:36
Stack trace:
#0 {main}
thrown in /home/app/htdocs/lidia/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007/Workbook.php on line 36