Thanks for visiting the Community.
I appreciate @kiltguy2112 for helping here. Sorry to hear that you're having issues playing Spotify music on your Google Home Mini. Let's dig deeper into this.
A few questions:
Please reboot your Home Mini by disconnecting it from the power source and leave it unplugged for 1 minute. Once done, check if your device will have the same behavior.
We haven’t heard back from you, so I'll be locking this thread in 24 hours. Feel free to create a new one if you have more questions or have other concerns in the future.