Update utils/database.py

utils/database.py

@@ -26,14 +26,19 @@ from langchain_community.document_loaders import PyPDFLoader
 
 from sqlite3 import Error
 
-# Original SQL-related functions preserved
 def create_connection(db_file):
     """Create a database connection to the SQLite database."""
+    conn = None
     try:
+        st.write(f"Attempting to connect to database at: {db_file}")
         conn = sqlite3.connect(db_file)
+        st.write("Database connection successful!")
         return conn
     except Error as e:
-        st.error(f"Error: {e}")
+        st.error(f"Database connection error: {str(e)}")
+        st.error(f"Error type: {type(e)}")
+        import traceback
+        st.error(f"Detailed error: {traceback.format_exc()}")
     return None
 
 def create_tables(conn):