whmcs stripe payment gateway fix

Hello, I need assistance fixing a Whmcs Stripe Payment Gateway. It has been acting up recently and I’m looking for someone who has experience dealing with payment gateway integration issues. Ideally, this person will know what the underlying problem could be and how to fix it, Ultimately, I want to make sure everything is running smoothly again as soon as possible. If you think you have the skills to help, please reach out and let me know. Thanks!

NOTE:- I Am having Stripe Compatible Debit and Credit Cards Issued, the Test Env works fine, but in Live Env, it show error which you can see in attached Image.