Recourse Pack Bug

Put the summary of the bug you're having here
What I excpted to happen was to go and change my recourse pack but, when I clicked on it t bugged and made my game crash.
What I expected to happen was...:
Describe what you thought should happen here

What actually happened was...:
Describe what happened here

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
3. ...