Fatal error: Uncaught Error: Interface "PHPExcel_Writer_IWriter" not found in /export/vol2/httpd/htdocs/administration/facilities/webapps/codebase-php/lib/PHPExcel/Writer/Excel2007.php:36
Stack trace:
#0 {main}
  thrown in /export/vol2/httpd/htdocs/administration/facilities/webapps/codebase-php/lib/PHPExcel/Writer/Excel2007.php on line 36