If your dashboard uses Salesforce as the data source and scheduling fails with the following error message:
Error in refresh_oauth2.0(self$endpoint, self$app, self$credentials, self$params$user_params, :
Bad Request (HTTP 400).
This issue typically occurs due to an authorization problem with Salesforce. To resolve it, please re-authorize the Salesforce OAuth connection.
For detailed steps on re-authorization, refer to the Salesforce integration guide.