Update src/model/crb_crs/recommender/movie_recommender.py

src/model/crb_crs/recommender/movie_recommender.py

@@ -534,10 +534,20 @@ class MovieRecommender(Recommender):
         Args:
             movie_id: Movie ID.
 
+        Raises:
+            KeyError: if movie title cannot be found.
+
         Returns:
             Movie title.
         """
-        return self.movie_mentions_df.loc[[int(movie_id)]]["title"].iloc[0]
+        try:
+            title = self.movie_mentions_df.loc[[int(movie_id)]]["title"].iloc[
+                0
+            ]
+        except KeyError:
+            title = ""
+            logging.error(f"Movie title not found for movie ID {movie_id}.")
+        return title
 
     def replace_item_ids_with_recommendations(
         self,