hostapd_free_hapd_data: Interface wlan0 wasn't started

[agan19]

ile "/usr/local/lib/python3.8/dist-packages/wifipumpkin3-1.0.0-py3.8.egg/wifipumpkin3/core/wirelessmode/wirelessmode.py", line 134, in get_error_hostapdServices
raise HostapdInitializeError(
wifipumpkin3.exceptions.errors.hostapdException.HostapdInitializeError: [ERROR] Hostpad Failed: check output process hostapd.
Configuration file: /root/.config/wifipumpkin3/config/hostapd/hostapd.conf
rfkill: WLAN soft blocked
wlan0: Could not connect to kernel driver
Using interface wlan0 with hwaddr bc:f6:85:03:36:5b and ssid "ddemo"
Failed to set beacon parameters
wlan0: Could not connect to kernel driver
Interface initialization failed
wlan0: interface state UNINITIALIZED->DISABLED
wlan0: AP-DISABLED
wlan0: Unable to setup interface.
wlan0: interface state DISABLED->DISABLED
wlan0: AP-DISABLED
wlan0: CTRL-EVENT-TERMINATING
hostapd_free_hapd_data: Interface wlan0 wasn't started
nl80211: deinit ifname=wlan0 disabled_11b_rates=0
Aborted
This is what im getting...
Wifipumpkin version - latest
OS : Kali linux latest
VM: No

[cyrxdzj]

I think this article can solve this problem.
However, this article is written in Chinese.
https://www.cnblogs.com/dakewei/p/5735141.html