(1) eap : EAP packet type response id 0 length 56

(1) eap : EAP-Identity reply, returning 'ok' so we can short-circuit the rest of authorize

(1)   [eap] = ok

(1)  } #  authorize = ok

(1) Found Auth-Type = EAP

(1) # Executing group from file /usr/local/etc/raddb/sites-enabled/default

(1)   authenticate {

(1) eap : Peer sent Identity (1)

(1) eap : Calling eap_sim to process EAP data

(1) ERROR: eap : Failed starting EAP SIM (18) session. EAP sub-module failed

(1) eap : Failed in EAP select

(1)   [eap] = invalid

(1)  } #  authenticate = invalid

(1) Failed to authenticate the user.

I met this issue when I was trying to use eap-sim module in freeradius 3.0.1