Connect Database Server False!

Too many connections - Execute Query False! Select dede_archives.title,dede_archives.senddate,dede_archives.arcrank,dede_archives.ismake,dede_archives.money,dede_archives.typeid,dede_arctype.typedir,dede_arctype.namerule From dede_archives left join dede_arctype on dede_arctype.ID=dede_archives.typeid where dede_archives.ID='10020' limit 0,1;