Can't open external drive

[u/og_cosmosis]

I'm using pop os, and I've been able to utilize my external drive for months with no problems. However, today I tried to access some of my files and none of them are showing up. Some file directories are completely missing, others show the folder but the folder is empty. I recently did a pretty big update on my os, but I haven't changed anything. I'm a beginner with linux stuff. Explain things to me like I'm an idiot.

I realllllly need the stuff on this drive. I'm not sure why I could use and access this external drive just a couple of weeks ago and now it's all weird. TIA.

Ran sudo dmsg -w and here is some of the output:

https://pastebin.com/5DHKxcnp

[u/doc_willis]

43.084645] FAT-fs (sdb1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.

[ 43.103678] FAT-fs (sdb2): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.

seems you have filesystem corruption.