Maaf izin laporan mas, di saya ada error import Excel/csv
A PHP Error was encountered
Severity: Warning
Message: Cannot modify header information - headers already sent by (output started at /home/smrmldhv/public_html/evoting/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Reader/Xlsx.php:1332)
Maaf izin laporan mas, di saya ada error import Excel/csv
A PHP Error was encountered Severity: Warning
Message: Cannot modify header information - headers already sent by (output started at /home/smrmldhv/public_html/evoting/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Reader/Xlsx.php:1332)
Filename: core/Common.php
Line Number: 570
Backtrace: