Owner please take a look at this error

[Hackerq91]

Invalid MIT-MAGIC-COOKIE-1 keyWarning: This program is an suid-root program or is being run by the root user.
The full text of the error or warning message cannot be safely formatted
in this environment. You may get a more descriptive message by running the
program as a non-root user or by removing the suid bit on the executable.
xterm: Xt error: Can't open display: %s

How i can fix that error ?
virtual machine connected from vnc
Nethunter 64bit

Operating system:Android

$ uname -a
Linux localhost 4.9.227-perf-21965548 #1 SMP PREEMPT Thu Jul 22 10:23:48 +07 2021 aarch64 GNU/Linux
$ uname -r

4.9.227-perf-21965548