Errors installing new packages

Hi
I have a newly installed version of Debian Linuxcnc and I keep getting this error when I try upgrade or install packages:
dpkg: error processing package linux-image-rt-amd64 (--configure):
 dependency problems - leaving unconfigured
Processing triggers for initramfs-tools (0.142+deb12u3) ...
update-initramfs: Generating /boot/initrd.img-6.1.0-40-rt-amd64
raspi-firmware: missing /boot/firmware, did you forget to mount it?
run-parts: /etc/initramfs/post-update.d//z50-raspi-firmware exited with return code 1
dpkg: error processing package initramfs-tools (--configure):
 installed initramfs-tools package post-installation script subprocess returned error exit statu
s 1
Errors were encountered while processing:
 linux-image-6.1.0-40-rt-amd64
 linux-image-rt-amd64
 initramfs-tools
E: Sub-process /usr/bin/dpkg returned an error code (1)
Any help greatfuly recieved

forum.linuxcnc.org/9-installing-linuxcnc...ial-amd46-iso#335346

I'm sorry. I still don't know how to fix this. Can somebody point me to a solution?
Thanks

Follow the links and very carefully follow the instructions.

Or you can search the forums for the multitude of threads that discuss this issue.