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Header Modification Warning in PHP Script

A warning has occurred indicating that header information cannot be modified because output has already started in the specified PHP file. This error typically arises when there is output before the `header()` function is called. To resolve this issue, ensure no whitespace or output is present before the header modification code. Review your script in `lib.php` on line 21 to identify and correct the problem to prevent further issues with session handling or redirection.

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Header Modification Warning in PHP Script

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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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