Errors in executing kex &

[gogoh5796]

Can't find file /home/kali/.vnc/localhost:1.pid
You'll have to kill the Xtightvnc process manually

Can't find file /home/kali/.vnc/localhost:2.pid
You'll have to kill the Xtightvnc process manually

Couldn't start Xtightvnc; trying default font path.
Please set correct fontPath in the vncserver script.
Couldn't start Xtightvnc process.

Error starting the KeX server.
Please try "nethunter kex kill" or restart your termux session and try again.