I am sorry this happened to you, Tiffany. I am sure you did nothing wrong other than engage with other Medium members whose work you enjoy.
Quite a few of my friends here have suddenly had their partner program status revoked, and it could happen to any of us at any time.
The only thing I have noticed is that a number of them have been writing drabbles every day, and tagging people. I also write drabbles but have only been publishing one or two per week, not everyday. I have also made the decision no longer tag people - at least not every time.
I hope you get reinstated soon.