indexer journal client are not scaling

While 1 indexer journal client is running fine, there are scaling issue events happening with the following error message [1].

This looks like something is amiss in the swh-charts/swh/templates/keda-autoscaling.yaml configuration.

[1]

Name:             keda-hpa-indexer-origin-intrinsic-scaledobject.174cef9672c5cf74
Namespace:        swh
Labels:           <none>
Annotations:      <none>
API Version:      v1
Count:            5846
Event Time:       <nil>
First Timestamp:  2023-03-16T15:23:10Z
Involved Object:
  API Version:       autoscaling/v2
  Kind:              HorizontalPodAutoscaler
  Name:              keda-hpa-indexer-origin-intrinsic-scaledobject
  Namespace:         swh
  Resource Version:  45206349
  UID:               7781f902-4a10-4324-bb66-196d16f2d534
Kind:                Event
Last Timestamp:      2023-03-17T15:53:15Z
Message:             unable to get external metric swh/s0-kafka-swh-archive-stg-swh-indexer-journal_client-origin_intrinsic_metadata-topics/&LabelSelector{MatchLabels:map[string]string{scaledobject.keda.sh/name: indexer-origin-intrinsic-sc
aledobject,},MatchExpressions:[]LabelSelectorRequirement{},}: unable to fetch metrics from external metrics API: no matching metrics found for s0-kafka-swh-archive-stg-swh-indexer-journal_client-origin_intrinsic_metadata-topics
Metadata:
  Creation Timestamp:  2023-03-16T15:23:10Z
  Managed Fields:
    API Version:  v1
    Fields Type:  FieldsV1
    fieldsV1: