diff --git a/.env.template b/.env.template
index e220517bb..aeeecdeef 100644
--- a/.env.template
+++ b/.env.template
@@ -13,5 +13,6 @@ GRAPH_DB_PW =
 GRAPH_DB_USER =
 AWS_ACCESS_KEY_ID =
 AWS_SECRET_ACCESS_KEY =
-QDRANT_API_KEY
-QDRANT_API_URL
\ No newline at end of file
+QDRANT_API_KEY =
+QDRANT_API_URL =
+DB_TYPE = sqlite
\ No newline at end of file
diff --git a/cognitive_architecture/database/graphdb/graph.py b/cognitive_architecture/database/graphdb/graph.py
index b6f6de89b..480a9fbae 100644
--- a/cognitive_architecture/database/graphdb/graph.py
+++ b/cognitive_architecture/database/graphdb/graph.py
@@ -34,7 +34,7 @@ from ...utils import (
 )
 from ...llm.queries import generate_summary, generate_graph
 import logging
-from neo4j import AsyncGraphDatabase, Neo4jError
+from neo4j import AsyncGraphDatabase
 from contextlib import asynccontextmanager
 from typing import Any, Dict, Optional, List
 
@@ -106,8 +106,8 @@ class Neo4jGraphDB(AbstractGraphDB):
             async with self.get_session() as session:
                 result = await session.run(query, parameters=params)
                 return await result.data()
-        except Neo4jError as e:
-            logging.error(f"Neo4j query error: {e.message}")
+        except Exception as e:
+            logging.error(f"Neo4j query error: %s {e}")
             raise
 
     # class Neo4jGraphDB(AbstractGraphDB):
diff --git a/cognitive_architecture/database/relationaldb/database.py b/cognitive_architecture/database/relationaldb/database.py
index 0c7fddcfa..1533d9f9b 100644
--- a/cognitive_architecture/database/relationaldb/database.py
+++ b/cognitive_architecture/database/relationaldb/database.py
@@ -13,23 +13,11 @@ from dotenv import load_dotenv
 load_dotenv()
 
 
-# this is needed to import classes from other modules
-# script_dir = os.path.dirname(os.path.abspath(__file__))
-# # Get the parent directory of your script and add it to sys.path
-# parent_dir = os.path.dirname(script_dir)
-# sys.path.append(parent_dir)
-# from ...config import Config
-# config = Config()
-# config.load()
-
 
 # in seconds
 MAX_RETRIES = 3
 RETRY_DELAY = 5
 
-import os
-
-
 class DatabaseConfig:
     def __init__(
         self,
@@ -84,12 +72,6 @@ class DatabaseConfig:
 # config = DatabaseConfig(config_file='path/to/config.json')
 # Or set them programmatically:
 config = DatabaseConfig(
-    db_type="postgresql",
-    db_name="mydatabase",
-    user="myuser",
-    password="mypassword",
-    host="myhost",
-    port="5432",
 )
 
 SQLALCHEMY_DATABASE_URL = config.get_sqlalchemy_database_url()
diff --git a/cognitive_architecture/database/vectordb/basevectordb.py b/cognitive_architecture/database/vectordb/basevectordb.py
index 54f047160..05b62aefd 100644
--- a/cognitive_architecture/database/vectordb/basevectordb.py
+++ b/cognitive_architecture/database/vectordb/basevectordb.py
@@ -43,7 +43,7 @@ import uuid
 import weaviate
 from marshmallow import Schema, fields
 import json
-from vector_db_type import VectorDBType
+from cognitive_architecture.database.vectordb.vector_db_type import VectorDBType
 
 
 OPENAI_API_KEY = os.getenv("OPENAI_API_KEY", "")
diff --git a/main.py b/main.py
index 40036ff10..998088bd9 100644
--- a/main.py
+++ b/main.py
@@ -880,26 +880,26 @@ async def main():
         # load_doc_to_graph = await add_documents_to_graph_db(session, user_id)
         # print(load_doc_to_graph)
         user_id = "test_user"
-        # loader_settings = {
-        #     "format": "PDF",
-        #     "source": "DEVICE",
-        #     "path": [".data"]
-        # }
-        # await load_documents_to_vectorstore(session, user_id, loader_settings=loader_settings)
+        loader_settings = {
+            "format": "PDF",
+            "source": "DEVICE",
+            "path": [".data"]
+        }
+        await load_documents_to_vectorstore(session, user_id, loader_settings=loader_settings)
         # await create_public_memory(user_id=user_id, labels=['sr'], topic="PublicMemory")
         # await add_documents_to_graph_db(session, user_id)
         #
-        neo4j_graph_db = Neo4jGraphDB(
-            url=config.graph_database_url,
-            username=config.graph_database_username,
-            password=config.graph_database_password,
-        )
-
-        out = neo4j_graph_db.run_merge_query(
-            user_id=user_id, memory_type="SemanticMemory", similarity_threshold=0.5
-        )
-        bb = neo4j_graph_db.query(out)
-        print(bb)
+        # neo4j_graph_db = Neo4jGraphDB(
+        #     url=config.graph_database_url,
+        #     username=config.graph_database_username,
+        #     password=config.graph_database_password,
+        # )
+        #
+        # out = neo4j_graph_db.run_merge_query(
+        #     user_id=user_id, memory_type="SemanticMemory", similarity_threshold=0.5
+        # )
+        # bb = neo4j_graph_db.query(out)
+        # print(bb)
 
         # await attach_user_to_memory(user_id=user_id, labels=['sr'], topic="PublicMemory")