[qubes-users] Issue creating ubuntu template using fedora-37

I am trying to create ubuntu template using an app-vm created using template fedora-37. I have Qubes OS 4.1.2-rc1. I am using instructions in the below link to create the template

https://github.com/Qubes-Community/Contents/blob/master/docs/os/ubuntu.md

I am getting below error when trying to run make qubes-vm​. Any idea how to fix it?

scripts/test-sane-mount: line 10: ./test-dev-null: Permission denied

Run 'make remount'.
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Sincerely,
Demi Marie Obenour (she/her/hers)
Invisible Things Lab

Thank you!

Now, I am having trouble running `make template`. Below are the errors I see. Any inputs on how to fix this?

Context: I am trying to build ubuntu template in fedora-37 in Qubes OS 4.1.2-rc1

Error in the std out:
make: *** [Makefile:352: template-local-focal+standard] Error 1

Error in build-logs/template-focal.log:
Processing triggers for install-info (6.7.0.dfsg.2-5) ...
Processing triggers for mime-support (3.64ubuntu1) ...
Processing triggers for libc-bin (2.31-0ubuntu9) ...
Processing triggers for rsyslog (8.2001.0-1ubuntu1) ...
Running in chroot, ignoring request.
invoke-rc.d: policy-rc.d denied execution of try-restart.
Processing triggers for systemd (245.4-4ubuntu3) ...
Processing triggers for dbus (1.12.16-2ubuntu2) ...
Removing 'local diversion of /sbin/initctl to /sbin/initctl.distrib'
INFO: Attempting to kill any processes still running in '/home/user/qubes-builder/qubes-src/linux-template-builder/mnt' before un-mounting
INFO: umount /home/user/qubes-builder/qubes-src/linux-template-builder/mnt/sys
INFO: Attempting to kill any processes still running in '/home/user/qubes-builder/qubes-src/linux-template-builder/mnt' before un-mounting
INFO: umount /home/user/qubes-builder/qubes-src/linux-template-builder/mnt/run
make[1]: *** [Makefile:69: rootimg-build] Error 1