Runtime fixes (#1212)

code/__HELPERS/icons.dm

@@ -1106,8 +1106,10 @@ GLOBAL_LIST_INIT(freon_color_matrix, list("#2E5E69", "#60A2A8", "#A1AFB1", rgb(0
 		if (isfile(thing)) //special snowflake
 			var/name = sanitize_filename("[generate_asset_name(thing)].png")
 			register_asset(name, thing)
-			for (var/thing2 in targets)
-				send_asset_async(thing2, key)
+			for (var/mob/thing2 in targets)
+				if(!istype(thing2) || !thing2.client)
+					continue
+				send_asset_async(thing2?.client, key)
 			return "<img class='icon icon-misc' src=\"[url_encode(name)]\">"
 		var/atom/A = thing
 		if (isnull(dir))
@@ -1130,8 +1132,10 @@ GLOBAL_LIST_INIT(freon_color_matrix, list("#2E5E69", "#60A2A8", "#A1AFB1", rgb(0
 
 	key = "[generate_asset_name(I)].png"
 	register_asset(key, I)
-	for (var/thing2 in targets)
-		send_asset_async(thing2, key)
+	for (var/mob/thing2 in targets)
+		if(!istype(thing2) || !thing2.client)
+			continue
+		send_asset_async(thing2?.client, key)
 
 	return "<img class='icon icon-[icon_state]' src=\"[url_encode(key)]\">"
 

code/datums/mind.dm

@@ -832,6 +832,8 @@
 // Get a bonus multiplier dependant on age to apply to exp gains. Arg is a skill path.
 /datum/mind/proc/get_learning_boon(skill)
 	var/mob/living/carbon/human/H = current
+	if(!istype(H))
+		return 1
 	var/boon = H.age == AGE_OLD ? 0.8 : 1 // Can't teach an old dog new tricks. Most old jobs start with higher skill too.
 	boon += get_skill_level(skill) / 10
 	return boon