IndexError

Level 1 of the Dungeon
[Shop] Atachar's Jewellery Emporium
  the ring "Cievulot" {rPois rC+} (506 gold)
    [ring of protection from cold]
    
    rC+:        It protects you from cold.
    rPois:      It protects you from poison
  a ring of see invisible (210 gold)
  a +5 ring of evasion (504 gold)
  an amulet of the acrobat (420 gold)
  a ring of resist corrosion (280 gold)
  the ring of the Dropbear {rN+ Int+6 Dex+2} (719 gold)
    [ring of intelligence]
    
    Int+6:      It affects your intelligence (+6).
    Dex+2:      It affects your dexterity (+2).
    rN+:        It protects you from negative energy.
  the ring "Curolopp" {rPois Str+3} (466 gold)
    [ring of poison resistance]
    
    Str+3:      It affects your strength (+3).
    rPois:      It protects you from poison
  a +4 ring of protection (504 gold)
  a ring of protection from fire (350 gold)
(0, 0, D:1)
  5 stones
(7, 8, D:1)
  a +0 short sword
  4 stones
(11, -15, D:1)
  a stone
(22, -6, D:1)
  6 stones
(27, 4, D:1)
  5 stones
(35, -9, D:1)
  a +0 club
(37, 3, D:1)
  a +0 ring mail
(38, -9, D:1)
  a +3 war axe
(39, 16, D:1)
  a +0 dagger
(42, 16, D:1)
  a +0 robe
(43, -8, D:1)
  a +0 dagger
(51, 2, D:1)
  a +0 dagger
(52, -18, D:1)
  4 stones
(53, -9, D:1)
  a beast talisman
(54, -15, D:1)
  a +0 club
(55, 3, D:1)
  8 stones

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger
(7, -28, D:2)
  7 stones
(13, 10, D:2)
  5 stones
(15, -17, D:2)
  a +0 club
(21, 2, D:2)
  a +0 dagger
(22, 11, D:2)
  a +0 club
(24, -17, D:2)
  a +0 dagger
(37, -2, D:2)
  a +0 robe

Level 3 of the Dungeon
(1, -8, D:3)
  a +0 chain mail
(4, 13, D:3)
  a +0 plate armour
(11, -19, D:3)
  a +0 hand axe
  an orc corpse (skeletalised by now)
(11, 12, D:3)
  a +0 robe
(17, -28, D:3)
  a frilled lizard corpse
(40, -12, D:3)
  a +0 dagger
  a stone
  a kobold corpse