hata vermiyor.sadece footer kayboluyor buna neden olabilecek tek bi yer var,çünkü gerisi bendeki kodlarla birebir uyuşuyor.burada ise gözüme çarpan bir sıra kod var farklı olarak.

kurulum dosyasında diyor ki ;

#
#-----[ OPEN ]------------------------------------------
#

includes/page_header.php

#
#-----[ FIND ]------------------------------------------
#

//
// gzip_compression
//
$do_gzip_compress = FALSE;
if($board_config['gzip_compress'])
{
   $phpver = phpversion();

   if($phpver >= "4.0.4pl1")
      {
         if(extension_loaded("zlib"))
      {
   if (headers_sent() != TRUE)
      {
         $gz_possible = isset($HTTP_SERVER_VARS["HTTP_ACCEPT_ENCODING"]) && eregi("gzip, deflate",$HTTP_SERVER_VARS["HTTP_ACCEPT_ENCODING"]);
         if ($gz_possible) ob_start("ob_gzhandler");
      }
   }
      }
         else if($phpver > "4.0")
      {
         if(strstr($HTTP_SERVER_VARS['HTTP_ACCEPT_ENCODING'], 'gzip'))
         {
            if(extension_loaded("zlib"))
         {
            $do_gzip_compress = TRUE;
            ob_start();
            ob_implicit_flush(0);

            header("Content-Encoding: gzip");
         }
      }
   }
}

#
#-----[ REPLACE, WITH  ]------------------------------------------
#

//-- [+] MOD: phpBB SEO keyword URLs -------------------------------------
//-- replace
//
/*
//
// gzip_compression
//
$do_gzip_compress = FALSE;
if($board_config['gzip_compress'])
{
   $phpver = phpversion();

   if($phpver >= "4.0.4pl1")
      {
         if(extension_loaded("zlib"))
      {
   if (headers_sent() != TRUE)
      {
         $gz_possible = isset($HTTP_SERVER_VARS["HTTP_ACCEPT_ENCODING"]) && eregi("gzip, deflate",$HTTP_SERVER_VARS["HTTP_ACCEPT_ENCODING"]);
         if ($gz_possible) ob_start("ob_gzhandler");
      }
   }
      }
         else if($phpver > "4.0")
      {
         if(strstr($HTTP_SERVER_VARS['HTTP_ACCEPT_ENCODING'], 'gzip'))
         {
            if(extension_loaded("zlib"))
         {
            $do_gzip_compress = TRUE;
            ob_start();
            ob_implicit_flush(0);

            header("Content-Encoding: gzip");
         }
      }
   }
}
*/
//
//while (@ob_end_flush());
ob_start();


function make_url_friendly($url)
{
	$url = trim($url);
	$url = strtolower($url);

	$find = array('<b>', '</b>');
	$url = str_replace ($find, '', $url);

	$url = preg_replace('/<(\/{0,1})img(.*?)(\/{0,1})\>/', 'image', $url);

	$find = array(' ', '&quot;', '&amp;', '&', '\r\n', '\n', '/', '\\', '+', '<', '>');
	$url = str_replace ($find, '-', $url);

	$find = array('é', 'è', 'ë', 'ê', 'É', 'È', 'Ë', 'Ê');
	$url = str_replace ($find, 'e', $url);

	$find = array('í', 'ı', 'ì', 'î', 'ï', 'I', 'İ', 'Í', 'Ì', 'Î', 'Ï');
	$url = str_replace ($find, 'i', $url);

	$find = array('ó', 'ö', 'Ö', 'ò', 'ô', 'Ó', 'Ò', 'Ô');
	$url = str_replace ($find, 'o', $url);

	$find = array('á', 'ä', 'â', 'à', 'â', 'Ä', 'Â', 'Á', 'À', 'Â');
	$url = str_replace ($find, 'a', $url);

	$find = array('ú', 'ü', 'Ü', 'ù', 'û', 'Ú', 'Ù', 'Û');
	$url = str_replace ($find, 'u', $url);

	$find = array('ç', 'Ç');
	$url = str_replace ($find, 'c', $url);

	$find = array('ş', 'Ş');
	$url = str_replace ($find, 's', $url);

	$find = array('ğ', 'Ğ');
	$url = str_replace ($find, 'g', $url);

	$find = array('/[^a-z0-9\-<>]/', '/[\-]+/', '/<[^>]*>/');

	$repl = array('', '-', '');

	$url = preg_replace ($find, $repl, $url);
	$url = str_replace ('--', '-', $url);

	return $url;
}

function rewrite_urls($content)
{

	function if_query($amp)
	{

		if($amp != '')
		{
			return '?';
		}

	}

        $url_in = array('/(?<!\/)viewforum.php\?f=([0-9]+)((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
                        '/(?<!\/)\.\/viewforum.php\?f=([0-9]+)((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
                        '/(?<!\/)viewtopic.php\?p=([0-9]+)((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
                        '/(?<!\/)viewtopic.php\?t=([0-9]+)((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',

//-- [+] ALEXIS ---------------------------------------------------------
//-- add
//
                        '/(?<!\/)index.php\?c=([0-9]+)((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
//
//-- [-] ALEXIS ---------------------------------------------------------

                        '/(?<!\/)album_cat.php\?cat_id=([0-9]+)((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
                        '/(?<!\/)album_thumbnail.php\?pic_id=([0-9]+)((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
                        '/(?<!\/)album_pic.php\?pic_id=([0-9]+)((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
                        '/(?<!\/)album_picm.php\?pic_id=([0-9]+)((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
                        //'/(?<!\/)album_showpage.php\?pic_id=([0-9]+)((&amp;)|(&)){0,1}([^>]+>)(<img .*?)<\/a>/e',
                        '/(?<!\/)album_showpage.php\?full=&pic_id=([0-9]+)((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
                        '/(?<!\/)album_showpage.php\?pic_id=([0-9]+)((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
                        '/(?<!\/)album_personal.php\?user_id=([0-9]+)((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
                        '/(?<!\/)dload.php\?action=category&cat_id=([0-9]+)((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
                        '/(?<!\/)dload.php\?action=file&file_id=([0-9]+)((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
                        '/(?<!\/)kb.php\?mode=cat&cat=([0-9]+)((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
                        '/(?<!\/)kb.php\?mode=article&k=([0-9]+)((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
                        '/(?<!\/)kb.php\?mode=stats&stats=mostpopular((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
                        '/(?<!\/)kb.php\?mode=stats&stats=toprated((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
                        '/(?<!\/)kb.php\?mode=stats&stats=latest((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
                        '/(?<!\/)press.php\?mode=cat&cat=([0-9]+)((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
                        '/(?<!\/)press.php\?mode=article&k=([0-9]+)((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
                        '/(?<!\/)press.php\?mode=stats&stats=mostpopular((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
                        '/(?<!\/)press.php\?mode=stats&stats=toprated((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e',
                        '/(?<!\/)press.php\?mode=stats&stats=latest((&amp;)|(&)){0,1}([^>]+>)(.*?)<\/a>/e');

        $url_out = array("make_url_friendly('\\6') . '-vf\\1.html' . if_query('\\2') . stripslashes('\\5\\6') . '</a>'",
                        "make_url_friendly('\\6') . '-vf\\1.html' . if_query('\\2') . stripslashes('\\5\\6') . '</a>'",
                        "make_url_friendly('\\6') . '-vp\\1.html' . if_query('\\2') . stripslashes('\\5\\6') . '</a>'",
                        "make_url_friendly('\\6') . '-vt\\1.html' . if_query('\\2') . stripslashes('\\5\\6') . '</a>'",

//-- [+] ALEXIS ---------------------------------------------------------
//-- add
//
                        "make_url_friendly('\\6') . '-vc\\1.html' . if_query('\\2') . stripslashes('\\5\\6') . '</a>'",
//
//-- [-] ALEXIS ---------------------------------------------------------

                        "make_url_friendly('\\6') . '-ac\\1.html' . if_query('\\2') . stripslashes('\\5\\6') . '</a>'",
                        "make_url_friendly('\\6') . '-at\\1.html' . if_query('\\2') . stripslashes('\\5\\6') . '</a>'",
                        "make_url_friendly('\\6') . '-apic\\1.html' . if_query('\\2') . stripslashes('\\5\\6') . '</a>'",
                        "make_url_friendly('\\6') . '-apm\\1.html' . if_query('\\2') . stripslashes('\\5\\6') . '</a>'",
                        //"'show-pic-asp\\1.html' . if_query('\\2') . stripslashes('\\5\\6') . '</a>'",
                        "'image-full-asp\\1.html' . if_query('\\2') . stripslashes('\\5\\6') . '</a>'",
                        "make_url_friendly('\\6') . '-asp\\1.html' . if_query('\\2') . stripslashes('\\5\\6') . '</a>'",
                        "make_url_friendly('\\6') . '-aper\\1.html' . if_query('\\2') . stripslashes('\\5\\6') . '</a>'",
                        "make_url_friendly('\\6') . '-dc\\1.html' . if_query('\\2') . stripslashes('\\5\\6') . '</a>'",
                        "make_url_friendly('\\6') . '-df\\1.html' . if_query('\\2') . stripslashes('\\5\\6') . '</a>'",
                        "make_url_friendly('\\6') . '-kbc\\1.html' . if_query('\\2') . stripslashes('\\5\\6') . '</a>'",
                        "make_url_friendly('\\6') . '-kba\\1.html' . if_query('\\2') . stripslashes('\\5\\6') . '</a>'",
                        "make_url_friendly('\\5') . '-kbsmp.html' . if_query('\\1') . stripslashes('\\4\\5') . '</a>'",
                        "make_url_friendly('\\5') . '-kbstr.html' . if_query('\\1') . stripslashes('\\4\\5') . '</a>'",
                        "make_url_friendly('\\5') . '-kbsl.html' . if_query('\\1') . stripslashes('\\4\\5') . '</a>'",
                        "make_url_friendly('\\6') . '-pc\\1.html' . if_query('\\2') . stripslashes('\\5\\6') . '</a>'",
                        "make_url_friendly('\\6') . '-pa\\1.html' . if_query('\\2') . stripslashes('\\5\\6') . '</a>'",
                        "make_url_friendly('\\5') . '-psmp.html' . if_query('\\1') . stripslashes('\\4\\5') . '</a>'",
                        "make_url_friendly('\\5') . '-pstr.html' . if_query('\\1') . stripslashes('\\4\\5') . '</a>'",
                        "make_url_friendly('\\5') . '-psl.html' . if_query('\\1') . stripslashes('\\4\\5') . '</a>'");

	$content = preg_replace($url_in, $url_out, $content);

	return $content;

}
//
//-- [-] MOD: phpBB SEO keyword URLs -------------------------------------
bendeki pageheader.php de o kısım birazcık farklı.

//
// gzip_compression
//
$do_gzip_compress = FALSE;
if ( $board_config['gzip_compress'] )
{
	$phpver = phpversion();

	$useragent = (isset($HTTP_SERVER_VARS['HTTP_USER_AGENT'])) ? $HTTP_SERVER_VARS['HTTP_USER_AGENT'] : getenv('HTTP_USER_AGENT');

	if ( $phpver >= '4.0.4pl1' && ( strstr($useragent,'compatible') || strstr($useragent,'Gecko') ) )
	{
		if ( extension_loaded('zlib') )
		{
			ob_start('ob_gzhandler');
		}
	}
	else if ( $phpver > '4.0' )
	{
		if ( strstr($HTTP_SERVER_VARS['HTTP_ACCEPT_ENCODING'], 'gzip') )
		{
			if ( extension_loaded('zlib') )
			{
				$do_gzip_compress = TRUE;
				ob_start();
				ob_implicit_flush(0);

				header('Content-Encoding: gzip');
			}
		}
	}
}
sanırım sadece fazlalık olarak ;

$useragent = (isset($HTTP_SERVER_VARS['HTTP_USER_AGENT'])) ? $HTTP_SERVER_VARS['HTTP_USER_AGENT'] : getenv('HTTP_USER_AGENT');
burası var.yardımcı olursanız sevinirim.4-5 kez yeniden kurdum ama karıştırdım,bi türlü yapamadım