mdk4 no output

[frankl1m]

if i run mdk4 wlan0mon d, terminal not display anything is like stuck not output, how can be fix using litbeam m5 OpenWrt 19.07.9, i installed wireless tools to run from oficial repos, if not install wireless-tools get Can't find wireless tools, exiting.
open interface wlan0mon failed.
Starting OSDEP failed