line 32: did not find expected alphabetic or numeric character

[Viv1986]

Describe the bug

PS C:\project\kube-icinga> kubectl apply --validate -f .\kube-icinga.yaml
secret/icinga-credentials unchanged
clusterrole.rbac.authorization.k8s.io/kube-icinga configured
clusterrolebinding.rbac.authorization.k8s.io/kubernetes-icinga created
serviceaccount/kube-icinga unchanged
error: error parsing .\kube-icinga.yaml: error converting YAML to JSON: yaml: line 32: did not find expected alphabetic or numeric character

To Reproduce

git clone repos
kubectl apply -f kube-icinga.yaml

Expected behavior

work

Environment

• kubectl ver 1.20
• kubernetes server 1.17

Additional context

Add any other context about the problem here.