Warning: ob_start() [ref.outcontrol]: output handler 'ob_gzhandler' conflicts with 'zlib output comp

Warning: ob_start() [ref.outcontrol]: output handler 'ob_gzhandler' conflicts with 'zlib output compression' in /home6/niling/public_html/includes/init.php on line 252PHP　出现这个错误，谁遇到过，求解，谢谢！