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i Have google kubernetes engine in v1.22, so try to install kasten 5.5.9. When deploy kasten in google kubernetes engine, have the error:

k8s.io/client-go@v0.25.2/tools/cache/reflector.go:169: Failed to watch *v1.ClusterIssuer: failed to list *v1.ClusterIssuer: request to convert CR from an invalid group/version: cert-manager.io/v1alpha2

If i try to install the last kasten version, everything was fine, but the jobs fails because use a unsupported kubernetes version.

@jaiganeshjk 

@gerardotapianqn It seems that there are older deprecated version of CR/CRD for cert-manager in your cluster which is not supported by the k8s version

https://cert-manager.io/docs/installation/upgrading/remove-deprecated-apis/

You will probably have to upgrade your CRs and CRDs with newer version of API as stated in the above documentation.

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