There's a possibility that your monthly subscription payment wasn't processed successfully. Let’s update your billing information to reactivate your account.
Here's how:
Go to the Gear icon (⚙).
Select Account and Settings.
Click the Billing & Subscription tab.
Under Subscription status, click Subscribe Now on the right part.
Stay in touch with me by leaving a comment below if you need more help with the account closed. I'll be right here to provide answers to your questions.