Unfortunately, our Credit Card processor Stripe.com will suspend payments from Russia and Belarus. You can read their post here https://support.stripe.com/questions/impact-of-sanctions-on-russia-and-belarus
If you encounter any problem, please consider using any other payment method like Cryptocurrency, China Wechat Pay, or Alipay.
For our monthly payment users from Russia, we can offer you one month free of charge, just send a support ticket to [email protected]
More info here https://www.internetsolutions.hk/payment.html