I'm having trouble apt-get update/apt-get upgrading over here. Its trying to install a new kernel 4.15.0-38-generic, but its failing.

Do you want to continue? [Y/n]
Setting up initramfs-tools (0.130ubuntu3.5) ...
update-initramfs: deferring update (trigger activated)
Processing triggers for initramfs-tools (0.130ubuntu3.5) ...
update-initramfs: Generating /boot/initrd.img-4.15.0-38-generic
Warning: root device does not exist
Unsupported platform.
run-parts: /etc/initramfs/post-update.d//flash-kernel exited with return code 1
dpkg: error processing package initramfs-tools (--configure):
installed initramfs-tools package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
E: Sub-process /usr/bin/dpkg returned an error code (1)

Help please!
- Jon