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PHP Warning: Header Information Cannot Be Modified

A PHP warning message indicates that headers cannot be modified because they have already been sent. This specific warning occurs in the file `lib.php` at line 21, highlighting an issue where output has started prematurely. To resolve this, ensure that no output is generated before the `header()` function is called, which is crucial for modifying HTTP headers.

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PHP Warning: Header Information Cannot Be Modified

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  1. <br /> <b>Warning</b>: Cannot modify header information - headers already sent by (output started at /home2/mobiletv/public_html/mrs-claassen.co.za/lib.php:1) in <b>/home2/mobiletv/public_html/mrs-claassen.co.za/lib.php</b> on line <b>21</b><br />

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