diff --git a/libs/langchain/langchain/memory/entity.py b/libs/langchain/langchain/memory/entity.py
index 861857fa2c9..6eb922c79c0 100644
--- a/libs/langchain/langchain/memory/entity.py
+++ b/libs/langchain/langchain/memory/entity.py
@@ -126,8 +126,10 @@ class UpstashRedisEntityStore(BaseEntityStore):
 
         try:
             self.redis_client = Redis(url=url, token=token)
-        except Exception:
-            logger.error("Upstash Redis instance could not be initiated.")
+        except Exception as exc:
+            error_msg = "Upstash Redis instance could not be initiated"
+            logger.error(error_msg)
+            raise RuntimeError(error_msg) from exc
 
         self.session_id = session_id
         self.key_prefix = key_prefix