diff --git a/.gitignore b/.gitignore
index 18798d7..85594ae 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,7 +4,7 @@ __pycache__/
 *.db
 .env
 .venv/
-
+certcenter.db
 # Frontend
 frontend/node_modules/
 frontend/dist/
diff --git a/backend/routers/admin.py b/backend/routers/admin.py
index 87808a9..ac834ba 100644
--- a/backend/routers/admin.py
+++ b/backend/routers/admin.py
@@ -614,14 +614,14 @@ async def _render_script(domain: str, server_name: str, os: str, db: AsyncSessio
     jinja_env = Environment(loader=FileSystemLoader(str(template_dir)))
 
     result = await db.execute(select(Server).where(Server.name == server_name))
-    server = result.scalar_one_or_none()
+    server = result.scalars().first()
     if not server:
         raise HTTPException(404, "Server not found")
 
     result = await db.execute(
         select(Domain).where(Domain.domain == domain, Domain.server_id == server.id)
     )
-    d = result.scalar_one_or_none()
+    d = result.scalars().first()
     if not d:
         raise HTTPException(404, "Domain not found for this server")
 
diff --git a/certcenter.db b/certcenter.db
deleted file mode 100644
index 67f8156..0000000
Binary files a/certcenter.db and /dev/null differ