Error page: /plus/list.php?tid=100&TotalResult=24&PageNo=-1

Error infos: 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 '-40,20' at line 1
Error sql: Select id From `yl_arctiny` arc where arc.arcrank > -1 And ( arc.typeid in (100,104,103,102,101) ) order by arc.sortrank desc limit -40,20