"config.json file is missing" Error when Using "auth0 universal-login customize"
Sep 10, 2025
Overview
This article explains why the Auth0 CLI command auth0 universal-login customize produces the following error:
config.json file is missing
When looking for this file in the auth0-CLI folder under .config/auth0/config.json, the file is missing.
Applies To
- Permissions
Cause
The problem occurs because the terminal lacks the necessary administrator permissions to create files.
Solution
Run the Auth0 CLI Terminal as an Administrator with the Run as administrator permissions to allow the CLI to create the "config.json" file.