Fixes AI cards/mechs, with least bad method.

code/game/objects/items/devices/aicard.dm

@@ -174,8 +174,8 @@
 	update_icon()
 
 /obj/item/device/aicard/see_emote(mob/living/M, text)
-	if(carded_ai.client)
-		var/rendered = "<span class='message'>[text]</span></span>"
+	if(carded_ai && carded_ai.client)
+		var/rendered = "<span class='message'>[text]</span>"
 		carded_ai.show_message(rendered, 2)
 	..()
 /*

code/game/objects/items/devices/paicard.dm

@@ -313,7 +313,7 @@
 
 
 /obj/item/device/paicard/see_emote(mob/living/M, text)
-	if(pai.client)
-		var/rendered = "<span class='message'>[text]</span></span>"
+	if(pai && pai.client)
+		var/rendered = "<span class='message'>[text]</span>"
 		pai.show_message(rendered, 2)
 	..()

code/game/objects/objs.dm

@@ -136,5 +136,6 @@
 		mo.show_message(rendered, 2)
 		*/
 	return
+
 /obj/proc/see_emote(mob/M as mob, text, var/emote_type)
 	return