When installing the QuickBooks Online Connector, it is important to ensure that your Odoo server’s odoo.conf file is configured correctly. To help verify the setup, the connector includes a built-in Configuration Validation tool.
Run the Configuration Validation
Navigate to: Settings → QuickBooks Online
In the System State section, click the Validate Configuration File button.
The connector will analyze your current Odoo configuration and check whether all required settings are correctly configured.
In case of an incorrect configuration, the connector will provide instructions on how to resolve the issue:
You can find more infromation for server configuration here: QuickBooks Online Connector: Getting Started