FreeBSD package size mismatch, cannot continue

I was recently working on FreeBSD 12 and needed to install bash.To my suprise, i got the error below:

root@host1:~ # pkg install bash

Updating FreeBSD repository catalogue…

FreeBSD repository is up to date.

All repositories are up to date.

The following 1 package(s) will be affected (of 0 checked):



New packages to be INSTALLED:

        bash: 5.0.3



Number of packages to be installed: 1



The process will require 9 MiB more space.

2 MiB to be downloaded.



Proceed with this action? [y/N]: y
 [1/1] Fetching bash-5.0.3.txz: 100%    2 MiB 225.4kB/s    00:07
 pkg: cached package bash-5.0.3: size mismatch, fetching from remote
 Fetching bash-5.0.3.txz: 100%    2 MiB 225.4kB/s    00:07
 pkg: cached package bash-5.0.3: size mismatch, cannot continue

To fix the above issue and similar issues, please run the following command:

pkg update -f