Bug with shield of faith

[Dragoth]

<207hp 209ma 124mv>Warrior: 2043136 (0%) - Unknown minutes
Cleric: 1643136 (0%) - Unknown minutes
Necromancer: 743136 (0%) - Unknown minutes
Mage: 899243136 (0%) - 341 minutes
cast 'shield of faith'
Ok.
You focus on your faith.

<208hp 176ma 124mv>sc
Anrok . (level: 22)
Your levels: Ne: 22 Dr: 20 Cl: 11 Wa: 8 Ma: 1 Ba: 3
You are 17 years, 12 months, 24 days old.
You are a citizen of Bal Harbor.
You are a devout worshipper of Tysmiha.
You are an outstanding member of your community.
You have seen a fair amount of this area.
You have 209(352) hit, 177(259) mana and 124(124) movement points.
Your armor class is -4.3.
You have 46233 gold coins.
You have fifty-nine drachma.
You have 756864 unused experience points.
You have been playing for 2 days, 11 hours, 18 minutes.
Str: 18[14], Int: 16[16], Wis: 17[16], Dex: 18[14], Con: 15[14]
You are holding position towards the front of the group.
You are standing.
You are affected by the following spells:
Detect Invisible
Darksight
Darkness
Resist Fire
Resist Cold
Bone Armor
Fluidity
Bless
Regeneration

<209hp 177ma 124mv>Warrior: 2043136 (0%) - Unknown minutes
Cleric: 1643136 (0%) - Unknown minutes
Necromancer: 743136 (0%) - Unknown minutes
Mage: 899243136 (0%) - 341 minutes
sca
You peer intently all around, and see:

[Dragoth]

In a dark room, with darkness on casting shield of faith has no effect