[16-Jul-2026 11:01:14 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xls\BIFFwriter" not found in /home/ieshercaredu/apipay.ieshercar.edu.pe/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xls/Workbook.php:50
Stack trace:
#0 {main}
  thrown in /home/ieshercaredu/apipay.ieshercar.edu.pe/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xls/Workbook.php on line 50
[16-Jul-2026 11:49:22 UTC] PHP Fatal error:  Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xls\BIFFwriter" not found in /home/ieshercaredu/apipay.ieshercar.edu.pe/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xls/Worksheet.php:58
Stack trace:
#0 {main}
  thrown in /home/ieshercaredu/apipay.ieshercar.edu.pe/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xls/Worksheet.php on line 58
