Using Adobe ID with BlueFire Reader, get Download Problem. An error has occurred loading this item

I'm trying to read e-books from Stockholm stadsbibliotek with BlueFire Reader and my AdobeID.

It's on a Samsung Android phone and it did work fine on another phone before, but now when I click on the .acsm file I get:

Download Problem

An error has occurred loading this item.

If I click OK there, I come back to BlueFire reader, and the book is not loaded.

This is what I did:

1) I had a working BlueFire with authorized AdobeID on phone no1

2) I then installed the reader and tried to read books on a new phone, no2

3) I had forgotten the password to the AdobeID so I had to change it

and now it doesn't work at all on any of the phones.

I have

1) Reinstalled BlueFire reader

2) Verfied that I do have the correct login and password to AdobeID by logging in there via a computer

3) Cleaned the cache of BlueFire reader

4) Forced a stop and restart of BlueFire reader

5) Deauthorized and reauthorized in the BlueFire reader settings

6) Downloaded a new book

7) Redownloaded an old book

but it still doesn't work. I have googled the error and found nothing useful.

Both phones are Samsung, one with Android 4.4.4 and one with 4.1.2.