Undefined / null object

[leoleducq]

Expected behavior

Retrieve all data from a collection

Actual behavior

I got this error : Starting Export 🏋️ Cannot convert undefined or null to object

Steps to reproduce the behavior

Here's the command I use :
npx -p node-firestore-import-export firestore-export -a config/firebase_credentials.json -b backup.json -n production/utilisateurs

I don't know where exactly the bug happens, it's a huge db