I am running with ubuntu 20.04 (linux) I have a tp-link model: tl-wr940n and I am trying to set it up. So far its been a disaster. I made a run at it and suddenly it told me I had tried too many times

I am running with ubuntu 20.04.4 I have a tp-link tl-wr940n and I am trying to set it up. I have had it for some time. I was trying to set it up using the quck installation guide. I had it plugged int