how to fix KRACK test wlan0: No network configuration found for the current AP

[longvu182]

/krackattacks-scripts/krackattack $ sudo python2 krack-test-client.py
[13:19:13] Note: disable Wi-Fi in network manager & disable hardware encryption. Both may interfere with this script.
[13:19:14] Starting hostapd ...
Configuration file: /home/v4k/krackattacks-scripts/krackattack/hostapd.conf
Using interface wlan0 with hwaddr 84:16:f9:19:c0:a6 and ssid "MY TEST WIFI"
wlan0: interface state UNINITIALIZED->ENABLED
wlan0: AP-ENABLED
[13:19:15] Ready. Connect to this Access Point to start the tests. Make sure the client requests an IP using DHCP!

report work

i try test sudo wpa_supplicant -D nl80211 -i wlan0 -c network.conf not working

output

sudo wpa_supplicant -D nl80211 -i wlan0 -c network.conf
Successfully initialized wpa_supplicant
wlan0: CTRL-EVENT-REGDOM-CHANGE init=CORE type=WORLD
wlan0: No network configuration found for the current AP
wlan0: CTRL-EVENT-DISCONNECTED bssid=b4:ee:b4:4c:1f:d4 reason=3 locally_generated=1
wlan0: CTRL-EVENT-REGDOM-CHANGE init=CORE type=WORLD
wlan0: No network configuration found for the current AP
wlan0: CTRL-EVENT-DISCONNECTED bssid=b4:ee:b4:4c:1f:d4 reason=3 locally_generated=1
wlan0: CTRL-EVENT-REGDOM-CHANGE init=CORE type=WORLD
wlan0: No network configuration found for the current AP
wlan0: CTRL-EVENT-DISCONNECTED bssid=b4:ee:b4:4c:1f:d4 reason=3 locally_generated=1
wlan0: CTRL-EVENT-REGDOM-CHANGE init=CORE type=WORLD

please help me how to fix thank a lot.