DataBase error - Can't open file: './cvcdata/tblsetting.frm' (errno: 24 - Too many open files)
select parameter, settingvalue from tblsetting left join tblsettingvalue on tblsetting.settingid = tblsettingvalue.settingid where tblsetting.smodule='Mail' and (parameter='mailhost' or parameter='mailprotocol' or parameter='smtpusername' or parameter='smtppassword')