diff --git a/data b/data
index 9761bc1..cc5a598 160000
--- a/data
+++ b/data
@@ -1 +1 @@
-Subproject commit 9761bc1cd4801f5140e2f6bb0772ea82b16e8db6
+Subproject commit cc5a5987b5b026bac6ae76375f6ff35b999a4666
diff --git a/data_model/actual_data/_story/story_part_auto.py b/data_model/actual_data/_story/story_part_auto.py
index 1bb100b..11b9e62 100644
--- a/data_model/actual_data/_story/story_part_auto.py
+++ b/data_model/actual_data/_story/story_part_auto.py
@@ -64,7 +64,11 @@ def load(self):
         self.data_all.load()
 
         # pre-process
-        del self.data["track_to_bg"]["OST_0"]
+        try:
+            del self.data["track_to_bg"]["OST_0"]
+        except KeyError:
+            # it's okay if it doesn't exist
+            pass
 
         # track to bg
         for (track_id, bgs) in self.data["track_to_bg"].items():