i'm so paranoid

game/modules/tome/class/Game.lua

@@ -1296,6 +1296,7 @@ end
 
 -- log and collate combat damage for later display with displayDelayedLogDamage
 function _M:delayedLogDamage(src, target, dam, desc, crit)
+	if not target or not src then return end
 	src = src.__project_source or src -- assign message to indirect damage source if available
 	local visible, srcSeen, tgtSeen = self:logVisible(src, target)
 	if visible then -- only log damage the player is aware of