Warning when update ad

When i update my ad If the etc. ad has expired so i get this warning

Warning: Cannot modify header information - headers already sent by (output started at /home/deann/public_html/modules/boonex/world_map/classes/BxWmapModule.php:1) in /home/deann/public_html/inc/design.inc.php on line 101

The subject about warnings was here and there a lot of times already.

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http://www.boonex.com/forums/#topic/How-not-to-display-PHP-error-and-warnings.htm

In inc/header.inc.php   about line 163  find:

error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);

change to:

error_reporting(0);


Either that, or if you have an option on your server to have php files  processed by php 4.3 .... choose it.

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http://www.boonex.com/forums/#topic/To-site-owners-who-care-about-their-websites.htm

If everything works well, but you see some warning messages on some pages, just turn warnings off by writing "error_reporting(0);" in some of your files, like /etc/admin.inc.php.

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And where is that error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED); file not find inc folder

In inc/header.inc.php   about line 163  find:

error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);

change to:

error_reporting(0);

Just find text "error_reporting" in that file and you'll see it.