missing pack.mcmeta

Put the summary of the bug you're having here

What I expected to happen was...:
I should here sound when I play minecraft but I don't hear sound when I play minecraft.

What actually happened was...:
I don't hear sound i go to resourcepacks it says "missing pack.mcmeta" it's in red

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
Not sure how to trigger this issue