User Project Billing Account Not in Good Standing
During backup plan execution to Google Cloud storage, the following error occurs: User project billing account not in good standing
This error is returned by Google Cloud and could indicate that you have overdue bills, your billing information is filled in incorrectly or your billing account has been suspended.
Make sure the billing information for your Google Cloud account is specified correctly.
You can refer to the GCP Billing Troubleshooter: https://support.google.com/cloud/troubleshooter/7279311?hl=en
To learn more about billing setup for your projects, refer to the Modify a project's billing settings
If error persists, consider contacting Google Cloud support. Support for billing questions is provided for free.