A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/mtsassalampurwak/ppdb.mtsassalampurwakarta.sch.id/index.php:7)

Filename: core/Common.php

Line Number: 570

Backtrace:

File: /home/mtsassalampurwak/ppdb.mtsassalampurwakarta.sch.id/index.php
Line: 304
Function: require_once