Discuz! info: MySQL Query Error

Time: 2018-8-21 12:12am
Script: /bbs/chuzhong_list.php

SQL: SELECT * FROM [Table]threads AS a JOIN sphinx AS b ON a.tid=b.tid WHERE QUERY='filter=displayorder,10;filter=lib,14;sort=attr_desc:id;maxmatches=5000;offset=9990;limit=10;'
Error: There was a problem processing the query on the foreign data source. Data source error: searchd error: offset out of bounds (offset=9990, max_matches=50
Errno.: 1430