Unable to import Spotify extended listen history into ListenBrainz. I keep getting the following error:

There was an error creating an import of your data

Please try again and contact us if the issue persists. TypeError: NetworkError when attempting to fetch resource.

+Steps to reproduce:
+
1. Download Spotify extended listen history .zip file

2. Go to ListenBrainz --> Settings --> Music/ Import Listens

3. Select service - Spotify; Browse and select .zip file downloaded from Spotify

4. Click "Import Listens"

5. Error message (screenshot attached) is observed on the bottom right of the page.

Browsers attempted:

1. Firefox (both regular and incognito modes)
2. Edge (both regular and incognito modes)
3. Chrome (both regular and incognito modes)
4. Android web browser