Как это вылечить? Error: UPGRADE FAILED: template: k8s-monitoring/charts/kube-prometheus-stack/templates/_helpers.tpl:136:16: executing "kube-prometheus-stack-grafana.namespace"

Question

Как это вылечить? Error: UPGRADE FAILED: template: k8s-monitoring/charts/kube-prometheus-stack/templates/_helpers.tpl:136:16: executing "kube-prometheus-stack-grafana.namespace"

at <.Values.grafana.namespaceOverride>: nil pointer evaluating interface {}.namespaceOverride

{{- $files := .Files.Glob "dashboards/*.json" }}
{{- if $files }}
apiVersion: v1
kind: ConfigMapList
items:
{{- range $path, $fileContents := $files }}
{{- $dashboardName := regexReplaceAll "(^.*/)(.*)\\.json$" $path "${2}" }}
- apiVersion: v1
kind: ConfigMap
metadata:
name: {{ printf "%s-%s" (include "kube-prometheus-stack.fullname" $) $dashboardName | trunc 63 | trimSuffix "-" }}
namespace: {{ template "kube-prometheus-stack-grafana.namespace" $ }}
labels:
{{- if $.Values.grafana.sidecar.dashboards.label }}
{{ $.Values.grafana.sidecar.dashboards.label }}: {{ ternary $.Values.grafana.sidecar.dashboards.labelValue "1" (not (empty $.Values.grafana.sidecar.dashboards.labelValue)) | quote }}
{{- end }}
app: {{ template "kube-prometheus-stack.name" $ }}-grafana
{{ include "kube-prometheus-stack.labels" $ | indent 6 }}
data:
{{ $dashboardName }}.json: {{ $.Files.Get $path | toJson }}
{{- end }}
{{- end }}