Firebase Cloud Firestore throws “client is offline”

Question

About 3 out of 4 times loading the page I get this error from the firestore client SDK (web). This slows development down tremendously. Auth, Realtime DB and Storage work pe

Answer 1

I updated all my packages and I ran into this issue.
I enabled offline persistence for my web app and that fixed the problem:

firebase.firestore().enablePersistence()

https://firebase.google.com/docs/firestore/manage-data/enable-offline