Code from statueglommer.lua:
local gland = TheSim:FindFirstEntityWithTag("glommerflower") if gland ~= nil then return end if not inst.islighton:value() then inst.islighton:set(true) OnLightDirty(inst) end local glommer = TheSim:FindFirstEntityWithTag("glommer") or SpawnGlommer(inst)
The problem is that the gland is instantly removed when glommer dies, but glommer itself still sticks around for a bit for its death animation. Thus, the statue can spawn a gland without glommer, which then prevents future glands and thus glommers from spawning. Since it is irreplaceable, it becomes impossible for glommer to spawn ever again, outside of console commands or rolling back to a save before the incident.
Kill Glommer right before full moon.