#1064 database error hatası

buradaki hata nedir acaba
(1064) You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
SELECT groupid FROM common_member WHERE uid =

SELECT groupid FROM common_member WHERE uid = ''

kusura bakma tam olarak ne yapmam gerekiyor acaba

Bu hata genelde deprecate türlerde oluşuyor.
SQL sorgusunda tam hata cıktısını iletirseniz bende diğer arkadaşlarda net çözümler üretebilir.

Hatayı nerede alıyorsunuz ?

mobilde alıyorum sadece followda ama sitenin follow unda çalısıyor
PHP Debug
1 home.php 41 require_once(%s)
2 source/module/home/home_follow.php 259 include(%s)
3 data/template/6_diy_touch_home_follow_feed.tpl.php 208 followfeedli_fun1(%s)
4 source/plugin/zhikai_n5appgl/nvbing5_followfeedli.php 4 discuz_database::result_first(%s)
5 source/class/discuz/discuz_database.php 118 discuz_database::query(%s, Array, false, false)
6 source/class/discuz/discuz_database.php 137 db_driver_mysql->query(%s, false, false)
7 source/class/db/db_driver_mysql.php 152 db_driver_mysql->halt(%s, %d, %s)
8 source/class/db/db_driver_mysql.php 223 break()

s




bu kodda yanlış olan yer neresi acaba
function followfeedli_fun1($thread){
global $_G,$n5app;
$thread['groupid'] = DB::result_first('SELECT groupid FROM '.DB::table('common_member').' WHERE uid = '.$thread['authorid'] );
return $thread['groupid'];
}
function followfeedli_fun2($feed){
global $_G,$n5app;
if($_G['cache']['usergender'][$feed['uid']]['gender'] == $n5app['lang']['lang001']){
echo '<i class="iconfont icon-n5appnan qx_nan"></i>';
}elseif($_G['cache']['usergender'][$feed['uid']]['gender'] == $n5app['lang']['lang002']){
echo '<i class="iconfont icon-n5appnv qx_nv"></i>';
}
}