diff --git a/ItemList.py b/ItemList.py
index 5c4aa40d..29ef71da 100644
--- a/ItemList.py
+++ b/ItemList.py
@@ -545,7 +545,7 @@ def fill_prizes(world, attempts=15):
                 continue
             break
         else:
-            raise FillError('Unable to place dungeon prizes')
+            raise FillError("Unable to place dungeon prizes: {}".format(", ".join(list(map(lambda d: d.hint_text, prize_locs)))))
 
 
 def set_up_shops(world, player):
diff --git a/Rules.py b/Rules.py
index 6b8812fd..d18c9ae5 100644
--- a/Rules.py
+++ b/Rules.py
@@ -67,7 +67,8 @@ def set_rules(world, player):
     if not world.swamp_patch_required[player]:
         add_rule(world.get_entrance('Swamp Lobby Moat', player), lambda state: state.has_Mirror(player))
 
-    set_bunny_rules(world, player, world.mode[player] == 'inverted')
+    if not world.is_copied_world:
+        set_bunny_rules(world, player, world.mode[player] == 'inverted')
 
 
 def mirrorless_path_to_location(world, startName, targetName, player):