Multiple free tier customers are getting "no fields to display" when viewing logs instead of labels and structured metadata

This incident affected: Grafana Cloud: Loki (AWS Australia - prod-ap-southeast-2, AWS Brazil - prod-sa-east-1, AWS Canada - prod-ca-east-0, AWS Germany - prod-eu-west-2, AWS UAE - prod-me-central-1, AWS India - prod-ap-south-1, AWS Japan - prod-ap-northeast-0, AWS Singapore - prod-ap-southeast-1, AWS Sweden - prod-eu-north-0, AWS US East - prod-us-east-0, AWS US West - prod-us-west-0, Azure Netherlands - prod-eu-west-3, Azure US Central - us-central2, Azure US Central - us-central7, GCP Australia - prod-au-southeast-0, GCP Belgium - prod-eu-west-0, GCP Brazil - prod-sa-east-0, GCP India - prod-ap-south-0, GCP Singapore - prod-ap-southeast-0, GCP UK - prod-gb-south-0, GCP US Central - prod-us-central-0, GCP US Central - prod-us-central-5).