How to fix Kind not registered in Kubernetes

KubernetesINTERMEDIATEMEDIUM

This error occurs when trying to create a Kubernetes resource of a type that is not available or registered in the API server, typically due to missing CRD or unsupported API version.

What this error means

The "Kind not registered" error indicates that the resource type (Kind) you're trying to create doesn't exist or isn't available.

Typical symptoms

kubectl apply fails with kind error
API discovery shows kind missing
Third-party controller not working

Common causes

CRD not installed
CRD was deleted
Wrong apiVersion
API group disabled

How to fix "Kind not registered"

1Check error message

kubectl apply -f resource.yaml

2List available kinds

kubectl api-resources

3Install CRD

kubectl apply -f crds.yaml

4Check apiVersion

cat resource.yaml | grep apiVersion && kubectl api-versions | grep <group>

Verify CRD controller

Advanced notes

Common API migrations: extensions/v1beta1 → apps/v1, apps/v1beta1 → apps/v1.

Related errors

Official resources & further reading

📚Kubernetes Official Documentation
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Kubernetes Docs: API Concepts(Official Docs)
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Kubernetes Docs: Custom Resource Definitions(Official Docs)
💬
Stack Overflow: Kubernetes CRD issues(Stack Overflow)