I know it sounds simple, but it's often overlooked. Could you try restarting your device? If that doesn't help, try a quick clean reinstall of the app. Just follow these steps.
The queue issue you'r having seems this issue to be under investigation.
Please add your vote and details there so it can be better addressed.
I'd also recommend using the Sing Out Everywhere option in your Spotify account page and maybe perform a password reset 🙂
If you're still having trouble, could you let me know the exact version of Spotify and the exact version of the operating system you're running?
I'll see what I can suggest next!
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Note: I'm not a Spotify employee.