Handle exception and log error when retrieving asset

Author: ajhai

llmstack/assets/apis.py

@@ -73,5 +73,6 @@ def get_asset_data(self, objref, request_user, request_session=None, include_dat
                 response["data_uri"] = model_cls.get_asset_data_uri(asset, include_name=include_name)
 
             return response
-        except Exception:
+        except Exception as e:
+            logger.error(f"Error retrieving asset: {objref} - {e}")
             return None