PHP error [Warning]

URI: index.php?option=com_content&task=category§ionid=6&id=19&Itemid=47
Path: skou/public_html/includes/Core/locale.php
Line: 199
php_uname() has been disabled for security reasons

PHP Σφάλμα [Warning]

URI: index.php?option=com_content&task=category§ionid=6&id=19&Itemid=47
Path: skou/public_html/includes/Core/elxis.php
Line: 490
Cannot modify header information - headers already sent by (output started at /unitswww1/unitswww15/thess-v/kpe-vertisk/kpevertiskou/public_html/includes/Core/database.php:37)

PHP Σφάλμα [Warning]

URI: index.php?option=com_content&task=category§ionid=6&id=19&Itemid=47
Path: skou/public_html/includes/Core/elxis.php
Line: 1031
Cannot modify header information - headers already sent by (output started at /unitswww1/unitswww15/thess-v/kpe-vertisk/kpevertiskou/public_html/includes/Core/database.php:37)