Signals: the Message "Failed to Initialize the application" may be displayed when Automatic User Creation runs out of licenses

When Automatic User Creation runs out of licenses, the following message may be displayed:

Additionally: 

• If you configured notifications, an email may have been delivered to administrator to let them know of the license capacity reached.
• While looking into the browser developer tools, a request with a 424 response will have the following response:

{
    "error": 424,
    "description": "License update failed for user: someone@revvity.com.",
    "causes": [
        {
            "statusCode": 424,
            "description": "License update failed for user: someone@revvity.com."
        }
    ],
    "errorTraces": [
        "errid:43dc2339"
    ]
}

Please review the total licenses available and take action if needed.