Linux Mastering Development Ubuntu

Can’t Upgrade Ubuntu 20.04 LTS? Sudo apt upgrade

[enter image description here][1](base) ali@aliskunk:~$ sudo apt upgrade
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
2 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
Setting up grub-pc (2.04-1ubuntu26.2) ...
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another p
rocess: Resource temporarily unavailable
dpkg: error processing package grub-pc (--configure):
 installed grub-pc package post-installation script subprocess returned error ex
it status 1
dpkg: dependency problems prevent configuration of grub-gfxpayload-lists:
 grub-gfxpayload-lists depends on grub-pc (>= 1.99~20101210-1ubuntu2); however:
  Package grub-pc is not configured yet.

dpkg: error processing package grub-gfxpayload-lists (--configure):
 dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup erro
r from a previous failure.
                          Errors were encountered while processing:
E: Sub-process /usr/bin/dpkg returned an error code (1)

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