Discuz! System Error

Too few arguments to function discuz_session::fetch_all_by_fid(), 1 passed in /home/lishosting16/public_html/source/function/function_group.php on line 281 and exactly 2 expected

PHP Debug

No.FileLineCode
1forum.php71require(%s)
2source/module/forum/forum_group.php49grouponline(%d, %d)
3source/function/function_group.php281discuz_session->fetch_all_by_fid(%s)
4source/class/discuz/discuz_session.php135break()
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