A. Make sure that you are using the correct method to paste. Tap and hold in the text field where you want to paste the link until the 'Paste' option appears, then select it. If this doesn't work, try restarting the app.

B. Check if there are any permissions that need to be granted for HitVPN to access the clipboard. Go to Settings > Apps > HitVPN > Permissions and ensure that all necessary permissions are enabled.