Fix most payment errors during membership sign-up with these steps.
IMPORTANT: Always start on the official checkout page – this fixes majority of errors.
- Switch browser, device, or both: Use any standard browser (Chrome, Firefox, Safari, etc.) on a different device if needed. Avoid browsers that open inside apps like Instagram, Telegram, or YouTube.
- Change network: Try mobile data or Wi-Fi. Disable VPNs/ad blockers.
- Try another payment method: Use a different card or switch payment method (crypto/Apple Pay).
- Contact support: Message the live chat (bottom-right icon) if nothing works.
Most errors can be fixed using the general troubleshooting steps above. Expand below for explanations and unique fixes when needed.
Reason: The payment processor or your bank flagged the transaction (security hold, insufficient funds, or region restrictions).
Quick fix: Try a different card or switch payment method to crypto.
Still stuck? Use the main troubleshooting steps above or message support.
Reason: Your bank rejected the transaction (likely security flags from UNITRW.CO/UNIVERSITY.COM TRW domains).
Quick fix: Switch payment method or contact your bank to allow transactions from UNITRW.CO/UNIVERSITY.COM TRW.
Still stuck? Use the main troubleshooting steps above or message support.
Reason: Your card issuer failed 3D Secure verification (OTP/code not received or incorrect).
Quick fix: Refresh and retry checkout (check your banking app/email/SMS for verification code), or try a different card/method.
Still stuck? Use the main troubleshooting steps above or message support.
Reason: Connection interrupted or unstable internet during checkout.
Quick fix: Switch to stable Wi-Fi/mobile data and refresh the page.
Still stuck? Use the main troubleshooting steps above or message support.
Reason: Crypto payments are temporarily unavailable due to processing issues.
Quick fix: Contact live chat for status updates, try again later, or use card/Apple Pay instead.
Reason: Only numeric credit/debit cards accepted. Cards with letters (ex: 342E F234), pre-paid, or gift cards are rejected.
Quick fix: Use a standard credit/debit card with only numbers.