ToME: the Tales of Maj'Eyal

Hi there,
When my Solipsist moves onto the same square as one of my night terrors (the ones that summon when you kill something sleepy) it creates a clone of my character that just sits there. Generally this has not been causing major issues but on one occasion I got an LUA error when autoexploring back into an area with a few of these clones. After the LUA error the game crashed completely on next action!

Participating in some necromancy. In 1.2.3, this bug is reproduceable if I use Hammer Toss to destroy a creature. The bug seems to involve the fact that hammer toss destroys the terrors, bringing them to 'unknown' hp, at which point stepping on them produces strange clones of my character. If these clones die, so do I. Night Terrors works normally if I use a skill like 'forge hammer' to kill the creature.