GKE unable to connect to the server: dial tcp server_ip: i/o timeout

Every time I run a command in the kubernetes cluster I get the following error message: unable to connect to the server: dial tcp server_ip: i/o timeout

I’ve already followed the step by step to try to solve the problem described here: Troubleshooting  |  Google Kubernetes Engine (GKE)  |  Google Cloud, but it didn’t solve the problem

Has anyone had this problem?

Cloud being used: google cloud (GKE)