Can't setup Alexa Media Player

Configuration Voice Assistant
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1

I’m having trouble setting up Alexa Media Player in HA. I’ve downloaded it from HACS. When I try to add the integration, I get the dialog to enter my credentials: Amazon region, email, PW, 2SV authenticator key. It replies with a OTP code, which matches. So I click OK. I then get a new window for Alexa to create a new Amazon account, or to Sign In as an existing customer. I choose existing customer. Enter Amazon email & PW & click sign in. I then get a CAPCHA. I enter that. Errors out to “500 Internal Server Error/Server got itself in trouble”.

I’m running HA in a Docker container on a Synology NAS with a Windows 11 desktop client. HA has been running successfully for several months with about 25 integrations. I’ve made no changes to configuration.yaml.

Any suggestions what I might be doing wrong?

2

This same issue started with me today. Some other topics (older) claim enabling 2FA would make it work again, but unfortunately that is not a solution if you have multiple amazon accounts. No one, since 2 years, seem to have posted a working fix really besides the 2FA - so, either they have got it to work and haven’t posted how, or have just abandoned the integration then this issue has come.