Eapol_timeout error

I have one imp that is having problems connecting to wifi

this is the error i see

auth_mode=‘wpa2-psk’ reason=‘eapol_timeout’ radio=‘0’ vap=‘3’ channel=‘11’ rssi=‘24’

Please advise


How does the distance of this imp from your router compare with your other imps?

This imp distance to the router is longer and inside a metal cabinet. It connects but sometimes it goes down. Strange is the error about auth…