Failed to mount external drive - New problem?

[smolgrrr]

Looks like this is the issue →
mount: /mnt/data: can’t read superblock on /dev/sda1.

Have you got much data on your SSD if we need to reformat the drive?

One other thing worth trying is reflashing your SD card.
You can follow these instructions here.

Resolving “Error: System service failed”

As a disclaimer please always make sure you have secured your 24 word seed phrase before making any drastic system changes, primarily if you skip the step to reflash your MicroSD card (where you don’t lose any data) and instead skip to reformatting your storage drive then you would lose all your data (all data is stored on the storage drive and will result in a clean install) This error is the result of several issues usually occurring on Raspberry Pi 4 devices and related to the MicroSD card a…