If you can't launch or play the game disable it in your mod options and you should be okay until Fatshark sanctions the updateExternal link →
The mod author uploaded an updated but unsanctioned bundle with the old certificate. This makes EAC unhappy as the bundle signature does not match the one in the cert.
I've gone ahead and manually removed the Sanctioned tag so you should at least get a warning when trying to launch with it enabled. Furthermore, I've reached out to the mod author (prop joe) to see if I can help getting it sanctioned.