Apiserver received an error that is not an metav1.status

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Cluster information:

Kubernetes version: v1.20.1.5
Cloud being used: Bare metal
Installation method: Hardway
Host OS: CentOS
CNI and version: Calico
CRI and version:

We are getting the apiserver errors continously and would like to know the cause of it… Please suggest

@JILLY attach the error so that we can understand more about your error.