[Error] InvalidStateError: Failed to execute 'transaction' on 'IDBDatabase': The database connection is closing. (original) (raw)

[REQUIRED] Describe your environment

• Operating System version: iOS Version:13.3.1
• Browser version: Mobile Safari Version:13.0.5
• Firebase SDK version: 7.9.1
• Firebase Product: firestore

[REQUIRED] Describe the problem

Steps to reproduce:

I can't reliably reproduce it so not entirely sure what specifically causes it but here is the Sentry error:
https://sentry.io/share/issue/03f7cacb9f394cdd9867f13ad40345d8/
Once this errors subsequent requests start failing like this:
https://sentry.io/share/issue/aab1ab9ce88e4d50a3e40edbc27c0700/

Relevant Code:

This is my firebase setup:
https://github.com/AugustinGrigorov/vocabulary-builder/blob/master/src/utils/firebase.js