A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /var/www/cmssekolah-2.4.13/system/core/Output.php:543)

Filename: core/Common.php

Line Number: 571

Backtrace:

A Database Error Occurred

Error Number: 1153

Got a packet bigger than 'max_allowed_packet' bytes

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Filename: libraries/Session/drivers/Session_database_driver.php

Line Number: 238