Here is the Output:
sudo apt update --fix-missing
[sudo] password for maidul:
Hit:10 http://apt.postgresql.org/pub/repos/apt bionic-pgdg InRelease
Get:22 http://archive.ubuntu.com/ubuntu bionic-proposed/universe amd64 DEP-11 Metadata [1,288 B]
Fetched 5,061 kB in 3s (1,968 kB/s)
Reading package lists… Done
Building dependency tree
Reading state information… Done
143 packages can be upgraded. Run ‘apt list --upgradable’ to see them.
maidul@maidul-Inspiron-5567:~$ sudo apt install -f
Reading package lists… Done
Building dependency tree
Reading state information… Done
E: The package linux-hwe-5.4-headers-5.4.0-38 needs to be reinstalled, but I can’t find an archive for it.