Serverless External network access is disabled

When trying to import MYSQLDUMP with
IMPORT MYSQLDUMP ('s3://***);
Get the error “External network access is disabled”

Currently using accessing cockroach serverless from windows

Does anyone know how to fix this error

You need to input a payment method to support using cloud storage for backups. However you can set the spend limit to 0.

https://www.cockroachlabs.com/docs/cockroachcloud/serverless-faqs.html#can-i-run-bulk-operations-such-as-import-and-export-from-my-cluster