Grafana Dashboards show no data

The Grafana General Metrics > general: Service Platform Metrics dashboard Capacity Planning section is showing no data due to an error:

"found duplicate series for the match group {component="sidekiq_workers", env="gprd", monitor="default"} on the right hand-side of the operation: [{name="slo:max:soft:gitlab_component_saturation:ratio", alert_trigger_duration="long", component="sidekiq_workers", env="gprd", monitor="default", provider="gcp", region="us-east"}, {name="slo:max:soft:gitlab_component_saturation:ratio", alert_trigger_duration="long", cluster="gprd-gitlab-gke", component="sidekiq_workers", env="gprd", environment="gprd", monitor="default", prometheus="monitoring/gitlab-monitoring-promethe-prometheus", provider="gcp", region="us-east1"}];many-to-many matching not allowed: matching labels must be unique on one side"

The PromQL behind one of the broken graphs:

  clamp_max(
    gitlab_component_saturation:ratio{environment="gprd", type="web", stage=~"|main"}
    ,
    1
  ) >= on(component, monitor, env) group_left slo:max:soft:gitlab_component_saturation:ratio
)